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 - CAVITE - SUB-DEO Award a ₱30.8M contract to HAUSLAND CONSTRUCTIONNational agencies
Transaction hash:
a89f7d2ebcae19e1ee134128ceb9f349e3bb549a6c20cb0cbb8e5afdd181f710
Status:
Included and unchanged
Block:
#2,733 3,280 blocks after it
Position in block:
Transaction 324 of 484
Award day:
May 10, 2016 (10 yrs 6 mo ago)
Value:
₱30,791,861.37
Project:
16DG0010
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 #2,733 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - CAVITE - SUB-DEO awarded it to HAUSLAND CONSTRUCTION on 2016-05-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16DG0010: 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 2018-06-22). 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 a89f7d2ebc…81f710now …
- 2. Block Merkle root changedstored 51f7d9525d…a6c3c9now …
- 3. Block #2733 hash changedstored 77a77e0b32…a7c86dnow …
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 483 records. Each step hashes the current value together with the sibling shown.
- leaf a89f7d2ebcae19e1ee134128ceb9f349e3bb549a6c20cb0cbb8e5afdd181f710
- 01 R a8e89283b01d4a5111c3f9c0f9920803b1d05fa3cc461cd0e6435bbe36edf563
- 02 R d46ac339d9df8980398bb10d24a7325dd2799a215848e712f836f66911d526c5
- 03 L d4ee05bab0a6b817e4f4f41b90910c300c409ceb933576736fa21b83e364b6f7
- 04 R 0ea3b633ec331d4f9a7c7c6b585e82c06cffc00af8a9bb16208d801380b807f4
- 05 R f039eb78e2ff5ee1f2059832c2fd3f03860e73a4f76bfacffeb4e0e35e53b083
- 06 R c12e7ea784037592bafeac4b610aadcbe0fa94231d35b28f29a895afe67a15ac
- 07 L b69eb64e11c7c1b58bcc1da967ade9dfd919503699ac79ac4ccb8f444f9848f0
- 08 R 36c611c19ebe659c77cb345eee17b748bb2eb7925aaf34abebb637c6f2fddce0
- 09 L 93b662a16b1ac58e1f4d964cd33cae47e3c8921199742a823d90a90920320bcc
- root 51f7d9525d2f626589f122cde2df474d50083610b5fa95665c6f4f1e28a6c3c9