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 - LEYTE 4TH DEO Award a ₱96.3M contract to COLLERA CONSTRUCTIONNational agencies
Transaction hash:
a0be20720b71a188eeef7bde74838f6d871e208dc18dd643924e4184d513c236
Status:
Included and unchanged
Block:
#5,142 871 blocks after it
Position in block:
Transaction 195 of 304
Award day:
May 3, 2023 (3 yrs 6 mo ago)
Value:
₱96,304,762.45
Project:
CID NO. 23IF0066
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 #5,142 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 2023 CSSP", i.e. the FY2023 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 - LEYTE 4TH DEO awarded it to COLLERA CONSTRUCTION on 2023-05-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23IF0066: On-Going, 97.28% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 1 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 a0be20720b…13c236now …
- 2. Block Merkle root changedstored aa8b4e98d3…6703aenow …
- 3. Block #5142 hash changedstored 8455ba330e…314543now …
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 303 records. Each step hashes the current value together with the sibling shown.
- leaf a0be20720b71a188eeef7bde74838f6d871e208dc18dd643924e4184d513c236
- 01 L 9f701b588892645d04d44abff11ca1424bdf06d07186bb02810f9a1d00d03384
- 02 L 0708df095a49d757749911e3d267d9e859ec691d35e1674f9c99cdb2222db955
- 03 R 6db3227ffff8035ed820300a7595f6f5d4dc0ae395c779cc3d59994e02d3d7db
- 04 R 11d194ea7ac5a10ffd965b7c08cd24dc82296b47fad19e9fcf975a9b434d0088
- 05 R 20615d5360c65c879a35bf00c6950a1d9ca248481e1bd0c50febace1c51985d8
- 06 R 5ef749bd9c46bbe4bd8cf7be480c022ecdbb07de46ce0edf1895a3e1e1893fea
- 07 L 61f3580c5e01b7ec18aabaa673a8347c5cf59fa57f114666e58029246ccca58d
- 08 L 8b32f384fda0f90f0c604a7fdcf3244969946368ba5569a1e1f6d488627c2c29
- 09 R d50d4d437294feb5724eb685193a05ee51feee21c73eb926cdaf76d48a3cd274
- root aa8b4e98d3f56ad66b33367cc97cd2abf003a5d08aaccd746fe6e9d6566703ae