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 - AURORA DEO Award a ₱10.0M contract to ZF CONSTRUCTIONNational agencies
Transaction hash:
56401fc522e8dd500e8f7ccfed4db5258e53f79402f0896f2437c713db8cf54e
Status:
Included and unchanged
Block:
#4,803 1,210 blocks after it
Position in block:
Transaction 56 of 173
Award day:
May 18, 2022 (4 yrs 5 mo ago)
Value:
₱9,984,971.35
Project:
22CN0004
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 #4,803 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 2022 OO-1", i.e. the FY2022 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 - AURORA DEO awarded it to ZF CONSTRUCTION on 2022-05-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CN0004: 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 2022-08-29). 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 56401fc522…8cf54enow …
- 2. Block Merkle root changedstored 81c70453e4…864e94now …
- 3. Block #4803 hash changedstored 59b69be5e2…757406now …
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 172 records. Each step hashes the current value together with the sibling shown.
- leaf 56401fc522e8dd500e8f7ccfed4db5258e53f79402f0896f2437c713db8cf54e
- 01 R 58f9ac7e5bafba8bd048611a3099845c28d8457d0e772294ae82a8650460db14
- 02 R a5c37a27b0e794e6f1a1453bdff86dab88b7da2c66d605855da9c94a13486253
- 03 R 4a44f2ac21cfd5488e4234885232b621ffe28b0cb5ab5e8d88b2da05df67f036
- 04 L 66ebb529c096623c5625becb3b593ebd9ad0cb3f91cb408ab008d13ee98744fa
- 05 L 0f3ffb88e099c7a2b5ae113f9437cb695189f821deeb9eba9516615ebbae3567
- 06 L 563e9e3a53509bef198ed6e04b01be7c28dadf0b28466d03f076e7283355be3e
- 07 R 5d619498d00b035970ba1f984b74488cf3da55fcca57a0bc13aaaaff0316306d
- 08 R 76093d4d8b7ceadcdd544278c15976683fed6404930b3c446436cce8c3853254
- root 81c70453e4dbc93c36088e0958ec4044fa28099a2885f47ad97b9b5049864e94