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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS ( BULACAN 3RD DEO) - Award a ₱29.4M contract to MELMAN BUILDERS OPCNational agencies
Transaction hash:
244bab95c19395ffb81c590dbf3cc7a195a63998b18526839d258136a0e9ab53
Status:
Included and unchanged
Block:
#5,735 278 blocks after it
Position in block:
Transaction 54 of 405
Award day:
Jan 7, 2025 (1 yr 10 mo ago)
Value:
₱29,387,010.27
Project:
25CP0189
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 #5,735 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS ( BULACAN 3RD DEO) - awarded it to MELMAN BUILDERS OPC on 2025-01-07.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 244bab95c1…e9ab53now …
- 2. Block Merkle root changedstored 1e005de53c…fb86b9now …
- 3. Block #5735 hash changedstored 637668ad48…729dd3now …
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 404 records. Each step hashes the current value together with the sibling shown.
- leaf 244bab95c19395ffb81c590dbf3cc7a195a63998b18526839d258136a0e9ab53
- 01 R 244e3657270b778eb130294ad5bd786bdfab8aae978bcf810592620140a52e67
- 02 L e89e632aaa0dc9e807d0558382f215358eb2c9f6336cfff377c891c3f3ae5a4c
- 03 L 29d1ceebb5f4b49dee846bf8829bbd7d30a53238bec3e56ef8928e2779ea2f55
- 04 R eadb848a9659c475ae3984e04f5a90781c6c7a561fad6f7afbe9bbe1b3ded0a1
- 05 L e561abfec8f5d7739314c1f82d7cbb23d8d34b1642074a7bdd28e70dff59b6cb
- 06 L 0aee88dd291c893c4c007257371c640159e2401ae35810466f178aba57058824
- 07 R bfd1d046f7a3eec5903d677fd573619df15c169051c7dc1f90154cc79fc1d941
- 08 R 44d482304269089de8141a41555fd86279e1e9d278af1f3c46576f67ebc190fd
- 09 R 5430b3f8c2dcd5e6da54981aa280aadd0b85938fc84a0c7a057b8c5b0430697d
- root 1e005de53c52cc75b75ef1f9be069c9ef542ad75c21e54ea240bbc16c7fb86b9