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 - ILOCOS NORTE 2ND D Award a ₱9.6M contract to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
a7da8bb15ea8ffce6fc510bfcf5f91077d4c34fef08e8e04bf8c901df0d969e4
Status:
Included and unchanged
Block:
#5,142 871 blocks after it
Position in block:
Transaction 205 of 304
Award day:
May 3, 2023 (3 yrs 6 mo ago)
Value:
₱9,603,989.92
Project:
23AB0122
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 - ILOCOS NORTE 2ND D awarded it to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLY on 2023-05-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23AB0122: 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 2023-12-06). 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 a7da8bb15e…d969e4now …
- 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 a7da8bb15ea8ffce6fc510bfcf5f91077d4c34fef08e8e04bf8c901df0d969e4
- 01 L a635da4fa1d1bc493690dd6a628d02974a2d716b2c60ee58cf28fc90043b39ff
- 02 R c1706504b669c458637bcac438c09213e4cb4d3eaa0a53bc13f747cf2940259f
- 03 L 4b57531e0ea9b26f9512fa47504bca5d841f74d6b41e9579d9c59cf73831750d
- 04 L 004a288bd625d60caa6d6b23e072735f3ec7cb37599fa3436c74b3fd5235bc96
- 05 R 20615d5360c65c879a35bf00c6950a1d9ca248481e1bd0c50febace1c51985d8
- 06 R 5ef749bd9c46bbe4bd8cf7be480c022ecdbb07de46ce0edf1895a3e1e1893fea
- 07 L 61f3580c5e01b7ec18aabaa673a8347c5cf59fa57f114666e58029246ccca58d
- 08 L 8b32f384fda0f90f0c604a7fdcf3244969946368ba5569a1e1f6d488627c2c29
- 09 R d50d4d437294feb5724eb685193a05ee51feee21c73eb926cdaf76d48a3cd274
- root aa8b4e98d3f56ad66b33367cc97cd2abf003a5d08aaccd746fe6e9d6566703ae