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 ₱4.9M contract to ROMHEAD S.J. BUILDERS & DEVT INC.National agencies
Transaction hash:
7156dd1f2656e1eb4fa18780d5535e8c097fc642db0069fcc491fd70d5f135af
Status:
Included and unchanged
Block:
#4,726 1,287 blocks after it
Position in block:
Transaction 241 of 542
Award day:
Feb 22, 2022 (4 yrs 8 mo ago)
Value:
₱4,851,000.00
Project:
22DJ0078
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 #4,726 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 2022-02-22.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 7156dd1f26…f135afnow …
- 2. Block Merkle root changedstored b022cb2cdc…c428bcnow …
- 3. Block #4726 hash changedstored 33abb3037c…08939bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 541 records. Each step hashes the current value together with the sibling shown.
- leaf 7156dd1f2656e1eb4fa18780d5535e8c097fc642db0069fcc491fd70d5f135af
- 01 L 710b363b067cef4feb4e886b650c7d86dfaf7bded19d3cffbb344abcc8383c61
- 02 R 87c558e30f55cdd4ead97fbdfc15e65d49967824d99cd50c74e7811f0482e948
- 03 R ddda6a3d5ede1f8fa568e5ced0c37600f61f44e785a9b14b103384e6b2ac4d65
- 04 R cb922c4a59bf20546dfeec7eb6cf1e9a30521e1c21b66bebaf77bef02cdd96ce
- 05 L 9591c2c6d6565d41c3a9fb03e3fa8277c5836149736dbec7b6186fcb46990d29
- 06 L 41f1fbe3aa1c1263941a869e1734f2947cbcdff16b6bd5f97b57a9476de8c61a
- 07 L c5da68a2478cf40a399dad801e20e7438fa5fb8ad5efa6056b5917e15a3ee83a
- 08 L 2379dfef26bada50cfffc631979b5308230776111bc27efd4f758de0694c38c8
- 09 R f69fbfcea250ccdb1ed5fc14421ee11d3def1b545dd6edb80dc9cc62201b968f
- 10 R e6907cad16079261f9c12018eacc1ad9bdb10bab2102e3f587a038931ba5413a
- root b022cb2cdc83395e28e3a9b120d9b36aad88ede03a4d9c33e42fde76b8c428bc