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 - METRO MANILA 1ST E Award a ₱28.5M contract to VIRAC NRC CONSTRUCTIONNational agencies
Transaction hash:
3c492fa1317d469ccbe0cebcff44942e86e5f8fbdc54deee3b1c1f207c2a557a
Status:
Included and unchanged
Block:
#4,047 1,966 blocks after it
Position in block:
Transaction 50 of 207
Award day:
Mar 9, 2020 (6 yrs 8 mo ago)
Value:
₱28,499,927.55
Project:
Contract ID No. 20OB0041-Construction of Multi-Pu
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 #4,047 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)DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 - METRO MANILA 1ST E awarded it to VIRAC NRC CONSTRUCTION on 2020-03-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OB0041: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-03-08). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 3c492fa131…2a557anow …
- 2. Block Merkle root changedstored 612bfc0675…4b5d01now …
- 3. Block #4047 hash changedstored 953d2af1d4…8a74dcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 206 records. Each step hashes the current value together with the sibling shown.
- leaf 3c492fa1317d469ccbe0cebcff44942e86e5f8fbdc54deee3b1c1f207c2a557a
- 01 R 3c993c3ccbdf9a112d366e7d936fc99f6deb71aa81f80622c390cfbf1cc9801d
- 02 L a3d96273462515f334e986e019712df0ac3c83611061724253631d61a0e903fe
- 03 R e844ff28575ee611d1890e28e9d6f3edf503dd8b374f21ca8c57b7fb069ba357
- 04 R 272b9fa754a34c80894dac6766e780477cf12df989cc4489e09354fd35f68b77
- 05 L dfe1526199b6278d82cc140dd3eefb249892c36a123e84dabb47daf5d1d83d81
- 06 L 3a1f504ec4e70642d001cba323ec81fbcacad9c9ba3e3630a41746c32e3a7113
- 07 R 6d1d63495d7689afc07716f8252861feb5b3a45f4ba6a83ebfd4ebcb7468b691
- 08 R 955b841d4d6ba52ce81af20fd1f57a67880b7d089c78cc9d25d2a36b0c41be9a
- root 612bfc0675ff8529c0790b18cc6f77921de028322ffe1b22ac00b1d1654b5d01