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 - REGION III Award a ₱34.3M contract to ZF CONSTRUCTIONNational agencies
Transaction hash:
38e7fa5ef0546d4f53b780fa9df0c1c0828f46d04f7f2d3e7c0de54868bdde8e
Status:
Included and unchanged
Block:
#4,321 1,692 blocks after it
Position in block:
Transaction 104 of 459
Award day:
Dec 29, 2020 (5 yrs 10 mo ago)
Value:
₱34,345,817.59
Project:
20C00075
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 #4,321 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 - R.A. 11494 TRIP 2020". 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 - REGION III awarded it to ZF CONSTRUCTION on 2020-12-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20C00075: 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 2021-06-28). 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 38e7fa5ef0…bdde8enow …
- 2. Block Merkle root changedstored f9b9f5ce30…320f50now …
- 3. Block #4321 hash changedstored 984ecf4696…f839aenow …
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 458 records. Each step hashes the current value together with the sibling shown.
- leaf 38e7fa5ef0546d4f53b780fa9df0c1c0828f46d04f7f2d3e7c0de54868bdde8e
- 01 R 39653664f91cf4d955aa63357fa79199c2fdf794d89c085ccba011245c786d4f
- 02 R 753fa6861e268b46f7be121e5bc819ff8762652b9e4aee5cb9dc99231aa44a02
- 03 R dbd6857b4d2be63eed7e261330a614e02776ef507d543804538f8fa3fbb31d7e
- 04 L 8d73437ef4c6f5a587b117cb322d83c9a354aeeba4a80a76495af7dd0379958e
- 05 R 339d35ee7c8bb13c1204823c016122355d3254a28d14255d483077e9cf4260da
- 06 L 49b374b05a8e448e96037bfc97006b88ed66a9dec2844e059e1970294e9908ff
- 07 L 764d9580a4e53f4c04a7f58ea9c77c4d6eed842843cbb2fc501c416009950e56
- 08 R d0bf81f95f2c54d7c6a467c136dc62caa657afbb2154b51da6c9f5c2d2b033fc
- 09 R 2c3a72918afe8d7dedb8096a77655687515637ef93cedc4f4683cb8d75d88da1
- root f9b9f5ce3032f9cebf2133f1f7e0750d79036f12eb1c895b0ae5666bf6320f50