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 1ST D Award a ₱1.9M contract to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
0acaf78712e5ee7380901532d1eb0f18ca8047ccce82611b86d6342ea2865472
Status:
Included and unchanged
Block:
#5,137 876 blocks after it
Position in block:
Transaction 27 of 746
Award day:
Apr 28, 2023 (3 yrs 6 mo ago)
Value:
₱1,920,743.06
Project:
23AA0325
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 #5,137 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 1ST D awarded it to MEGAPOLITAN BUILDERS AND CONSTRUCTION SUPPLY on 2023-04-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23AA0325: On-Going, 0% 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 0acaf78712…865472now …
- 2. Block Merkle root changedstored 8a1a4c308a…381645now …
- 3. Block #5137 hash changedstored f1b3a5efcb…d2b986now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 745 records. Each step hashes the current value together with the sibling shown.
- leaf 0acaf78712e5ee7380901532d1eb0f18ca8047ccce82611b86d6342ea2865472
- 01 L 0a7bea62ddcac026d51802290f9dd507b9bc0c36b35c848654c0a81d0d22e031
- 02 L 5abeddbfa9fdf171be84d72e29dbcc59814a4d264645e14289ef928d16335ec0
- 03 R dbfcdd29de25025bc0c91cde8d2ecfbba770abe7611608bee4667bc59e386ed5
- 04 L 56905a426e4114a5e960ca8f5829a19106cb3fd0d91725bfb1c76aafd54a56dc
- 05 L 589f9d7d77bdb620a4548a950b0172d0c102e81485a150af38f9ce3ec9ce7c5c
- 06 R 7aed30c310fa68dc2c275ab0db2520149164d3ac70460e28eee5e684b1e0405e
- 07 R 7fe80b3568c32099a1e86c5994155147b367a8c24e1ef997ba2956372b951a7a
- 08 R 8540bb0aeda670de0be6367372448161d7eaeaffb9a40e2261d66802f3aefcbb
- 09 R be7beda941be27e5a0cf38bb234bd6de883679dd77c4cee19fdc15cc0226fb10
- 10 R ab8de260f4cc159d2f837f398b45c9cf3cd5ccb899520f52e598653844b83b9a
- root 8a1a4c308abca3d7fde55e251b93bb233a7aa6b25baa5de5bdb849c1f9381645