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
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS Award a ₱251.4K contract to KORONADAL V & E BUILDERS AND CONST. SUPPLYNational agencies
Transaction hash:
2b8bb9d24295eccdb69b8d66d177d3782482bde8af27fed94e84005b11ba7136
Status:
Included and unchanged
Block:
#5,856 157 blocks after it
Position in block:
Transaction 56 of 420
Award day:
May 21, 2025 (1 yr 5 mo ago)
Value:
₱251,390.00
Project:
REPAIR OF CRACKS AND JOINTS OF RUNWAY AT GENSAN AIRPORT
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 #5,856 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)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - GEN. SANTOS awarded it to KORONADAL V & E BUILDERS AND CONST. SUPPLY on 2025-05-21.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 2b8bb9d242…ba7136now …
- 2. Block Merkle root changedstored e4614e2210…e9309fnow …
- 3. Block #5856 hash changedstored 5017cdcb93…9156f2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 419 records. Each step hashes the current value together with the sibling shown.
- leaf 2b8bb9d24295eccdb69b8d66d177d3782482bde8af27fed94e84005b11ba7136
- 01 R 2bef880e0498c48db7d4a9ad7370bea5487a0cce7a91bef8ffa1774ce2b58404
- 02 R a07d1ab836e7658a404a1aeb30b10ac46d203f1190c6ada3bae553ff7c5e91a2
- 03 R d84e19da3284d14cf061de178a90d190e422970354f7810830e3d518f1c8e676
- 04 L 8b56cadb09ec1e6669dd328f9215c1179e036f0eb44566830dceed5bea0a6077
- 05 L 09463b28fabba78037914734c5c4934ce3022914276729fb2e98eb4afbef9bf4
- 06 L f20757b76d8b1ccf4a08b39b07514a73fed66090af37244d25990211bd6df5e4
- 07 R 296ae957c2db906fa9aeb8f491684bc48a2763f9df0ad2b2d033f43b8d406a16
- 08 R d9ccca1f0a6d5239397eabaef69c738ee690bc10df1354646d8cd766a39525cd
- 09 R 532fcf574823ef55fc8d832f1fc06955d14ea4f9350aa05dc9c6c28e7aeacee2
- root e4614e221012e8e423d32d5b8d2247f2c9476268c4fdd2e69cffadcbc1e9309f