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 - NORTHERN SAMAR 1ST Award a ₱4.1M contract to PJ TAN CONSTRUCTIONNational agencies
Transaction hash:
00a8a956af6d1e80a6097ffb87d5aa89feb9e19453af11a443d64db3fb87decc
Status:
Included and unchanged
Block:
#3,019 2,994 blocks after it
Position in block:
Transaction 0 of 231
Award day:
Mar 17, 2017 (9 yrs 7 mo ago)
Value:
₱4,078,295.35
Project:
17IH0016
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 #3,019 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 2017 MFO-1", i.e. the FY2017 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 - NORTHERN SAMAR 1ST awarded it to PJ TAN CONSTRUCTION on 2017-03-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17IH0016: 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 2017-08-28). 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 00a8a956af…87deccnow …
- 2. Block Merkle root changedstored 03f9e4f547…f75831now …
- 3. Block #3019 hash changedstored 02f615670a…943321now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 230 records. Each step hashes the current value together with the sibling shown.
- leaf 00a8a956af6d1e80a6097ffb87d5aa89feb9e19453af11a443d64db3fb87decc
- 01 R 0129b07a91966cb7cb7d7d6543163ad5c66b666c2e9ec75a3c1658baf0722954
- 02 R 7e75d4fe063bb35f870df7162bba3807d23aaaba746a74b99c37e561e6c027ea
- 03 R fc29a0c0c751bfcf5688907b5399670ad26a65258aecc6df056acdaaada63add
- 04 R 7ee83a41a15366545841ad1aa0e50cbe2ead674f67b894662f1c5b28303b4167
- 05 R 3c932176d9cceab604f732954a4fba2bbb49e5e71e0e6a79e9c9958b535414bc
- 06 R f2b1f02154cfbd0303206af16e8620df56e665276a5117e466f0415d6d6b9419
- 07 R fb1945546197545cc3e0827cfa0aa2b44f4ee9b0ad00b10114a60c05ba3600b8
- 08 R 132ae10ff8ad2df5e8de5fc673530115bd3397d466d51b199490511a084191c0
- root 03f9e4f5471bf4a009a0ecb7dd30afd1152ed35f796d5576a1339146c9f75831