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 - QUEZON 2ND ED Award a ₱4.7M contract to ROMHEAD S.J. BUILDERS & DEVT INC.National agencies
Transaction hash:
9c8a49072146ee65332ff2e7dd72170b8d8100a7eae6990cca19ebf9ad9d5788
Status:
Included and unchanged
Block:
#3,910 2,103 blocks after it
Position in block:
Transaction 225 of 370
Award day:
Oct 18, 2019 (7 yrs ago)
Value:
₱4,726,250.00
Project:
19DJ0118
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 #3,910 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 - QUEZON 2ND ED awarded it to ROMHEAD S.J. BUILDERS & DEVT INC. on 2019-10-18.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 9c8a490721…9d5788now …
- 2. Block Merkle root changedstored 4e6a8373c2…d120afnow …
- 3. Block #3910 hash changedstored eb18d6395d…38429enow …
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 369 records. Each step hashes the current value together with the sibling shown.
- leaf 9c8a49072146ee65332ff2e7dd72170b8d8100a7eae6990cca19ebf9ad9d5788
- 01 L 9c868ebd86361ffecddc6f89cd2d86617c645d13acfdc01d05f2fc087f663f55
- 02 R 21f7941166cac14c95ff68471dbd67ee4914bb8c3a9150cae76345f30a298377
- 03 R 795f2dad0e66e3a6815a397b9fff7aca09c5656f57d3f690ec1e5eb2d51b103b
- 04 R 59144484e539744e1ba3d8e253ecc0f11c68d02aa9522d4fa0b11a536366ddc3
- 05 R 898029b03f27f767ebb30c5c982044f26e46abc5ceb1ae6c784a275535e78b4e
- 06 L ee5df9b4aad20080305af0cfe9ce5d85f8859576dbe9a8c45fbf356ace18aec5
- 07 L fde4961e0e72480ee4c4661abe14d46586545af4a2a2c772bd1a9a0e6468f00f
- 08 L 0a5c4bd4c77d29bacf576856aed161eff04ba0850356d138d612b300ed570edd
- 09 R 0f3575c4cd953b814bfd10b95ad6f98a2f7d3b15c0d88dd8c32c2818bee45c2a
- root 4e6a8373c23414a4d378f9620f663b19cd1ad7b3b1cef88e9f7a828a2bd120af