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
ILOCOS SUR POLYTECHNIC STATE COLLEGE Award a ₱276.5K contract to M.A. TEJADA CONSTRUCTIONNational agencies
Transaction hash:
4daca72f367574dc70beff6a5e341549ac818f817583ef36e0cdb97753f027c1
Status:
Included and unchanged
Block:
#2,067 3,946 blocks after it
Position in block:
Transaction 29 of 95
Award day:
May 5, 2014 (12 yrs 6 mo ago)
Value:
₱276,466.42
Project:
REPAIR OF SCHOOL BUILDING AND CONSTRUCTION OF OTHE
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 #2,067 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)ILOCOS SUR POLYTECHNIC STATE COLLEGE awarded it to M.A. TEJADA CONSTRUCTION on 2014-05-05.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 4daca72f36…f027c1now …
- 2. Block Merkle root changedstored dfa3fe1696…3268f7now …
- 3. Block #2067 hash changedstored f38e43db2b…7474e0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 94 records. Each step hashes the current value together with the sibling shown.
- leaf 4daca72f367574dc70beff6a5e341549ac818f817583ef36e0cdb97753f027c1
- 01 L 49cce2b57a2d720586abe79de5e24b918136c177623bceb779e64928c0ad16e4
- 02 R 548d2429cc108ad5683118140d4a8ff6fbd6a75ce880f7420e11b9ba83e73ba5
- 03 L e32cec84d73877a06d95ea946ce78c73de861628a9a104643d7d30550a302622
- 04 L 6db6e7c0f4d0844930be926777e1fd0aad254ac57d396663ebec12408b36e976
- 05 L 5fc982d66d1706fd9a23291ed4c1a3fc2b0be8f71834a3ee9d23192595ec0faf
- 06 R 42bb81f5d1d431c4cc9df311b2b998d290c49013fd31a36cf8eaad4aa8a0812e
- 07 R db1e45eaa68106c5c5f61c602956bb25eca2c83436af47428d82f164550fc946
- root dfa3fe169626a73d28347202661ccb0684185e5e4ea09fb29fdf4a56173268f7