DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱992.6K contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
a3cbcde7cd716a6d34e79698190b3715ba9621987da36ab06e0b354bb73f1a20
Status:
Included and unchanged
Block:
#5,811 202 blocks after it
Position in block:
Transaction 877 of 1,334
Award day:
Mar 25, 2025 (1 yr 7 mo ago)
Value:
₱992,559.70
Project:
Building Construction
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,811 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2025-03-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of San Juan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored a3cbcde7cd…3f1a20now …
- 2. Block Merkle root changedstored afb04bef30…1626adnow …
- 3. Block #5811 hash changedstored c88deebb8b…d73647now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,333 records. Each step hashes the current value together with the sibling shown.
- leaf a3cbcde7cd716a6d34e79698190b3715ba9621987da36ab06e0b354bb73f1a20
- 01 L a3b9b9028716d594a494725a8835fc557d76a6c3b2880acb41f4a8bd1f43b1c5
- 02 R 0159ade5ee621cb89d0bd7d4d516788538c1a08dadb434260971cbcca300e24f
- 03 L 6f5afb73424e5874f6a9d9c0d72c99809d7d33a55971dd44463310244e223010
- 04 L 300629af05ef774cf16938c2963ea26c0bfc626b3f29a990ca20fa38d9164380
- 05 R f816b03e48e6810fd4ea552c859fb780378538213b2a6081bf7707bfb5f1c310
- 06 L a2dd7c0a10f572fc0fc8173b2c6cfc16272f6446f7a078584cce582c5a41cd4b
- 07 L f1683ea0fa626ccb299f0d0f78a66060fc373c907bb3714a6874c3ba83cdf041
- 08 R 94687678e82f897be01cd34c89c4e63ed90fdf055cdd111b6f3d4e7fae8689f6
- 09 L 9ed6e9687a1c0105d560791406c2d228319da7f6fef2c556e02101736413b02b
- 10 L 3869a7f94e686bb1f7a5edd26a5e19c132440dbe3dc88f932223ef9142389ea2
- 11 R 783702398120728d21a819f857d70dad87399632d52ce2a766b1135a3c897b7c
- root afb04bef309cc3240dec18a025cd27950fd7c1aa69f08e392dd3efee5c1626ad