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
CITY OF TANJAY, NEGROS ORIENTAL Award a ₱15.0M contract to FROY J BUILDERS & SUPPLIESCities
Transaction hash:
cf048e0c00ffb98d8182ec9b82801be678fd92a4e9c76ea631f455950c91b64f
Status:
Included and unchanged
Block:
#5,973 40 blocks after it
Position in block:
Transaction 42 of 52
Award day:
Sep 25, 2025 (1 yr 1 mo ago)
Value:
₱14,995,447.53
Project:
Construction Project
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 #5,973 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)CITY OF TANJAY, NEGROS ORIENTAL awarded it to FROY J BUILDERS & SUPPLIES on 2025-09-25.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 City of Tanjay 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 cf048e0c00…91b64fnow …
- 2. Block Merkle root changedstored 3d95b609a5…031737now …
- 3. Block #5973 hash changedstored 7e4953f5d7…2d9ea9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 51 records. Each step hashes the current value together with the sibling shown.
- leaf cf048e0c00ffb98d8182ec9b82801be678fd92a4e9c76ea631f455950c91b64f
- 01 R dc205677cb898d7014ad294b36322a2c8819ea8d5bfc3c2bff2c0f76b737e7a2
- 02 L d9ec97693b549d171f1b0bffdbaded4b7e731b2be15ee9a439e7c85d44ee62f6
- 03 R 4cf690976d375963d5eb62ffcf10fea4435083a4298a2919561c0b43fdd004d1
- 04 L a65baf2b4c9059e4c52fe6f1d787bf4ac14838f32fcc328f2baea4fb9e2df36b
- 05 R 27b8636432a075d36684a49edca0788e630af26d97ad31d38c27c3ca0e765332
- 06 L f708c2ff892039e582aa958786d39f4a82fd0628794479653d9fbeee3a2a8bc7
- root 3d95b609a5bc3071e8d43dda4d1c64c3b5539a395d5e2f3063dacbfd3b031737