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 (METRO MANILA 3RD ED Award a ₱38.4M contract to J. SIMEON CONSTRUCTIONNational agencies
Transaction hash:
d79ea2d5fcd92abcac1730c73d14c5cebaa6c6634d73cad50010a5fdb9bdc127
Status:
Included and unchanged
Block:
#4,750 1,263 blocks after it
Position in block:
Transaction 891 of 1,061
Award day:
Mar 18, 2022 (4 yrs 7 mo ago)
Value:
₱38,405,318.07
Project:
22OD0213
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 #4,750 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 2022 CSSP", i.e. the FY2022 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 (METRO MANILA 3RD ED awarded it to J. SIMEON CONSTRUCTION on 2022-03-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22OD0213: 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 2022-11-22). 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 d79ea2d5fc…bdc127now …
- 2. Block Merkle root changedstored 8d0e79a087…d0bb51now …
- 3. Block #4750 hash changedstored 9787b2a173…350aa3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,060 records. Each step hashes the current value together with the sibling shown.
- leaf d79ea2d5fcd92abcac1730c73d14c5cebaa6c6634d73cad50010a5fdb9bdc127
- 01 L d78e99324277a3efcc9e4acab082a1bfb084f3fe8f185249cdfbfac49399f4dc
- 02 L aaf3d36c329d81bcd82477285143244c6dce3b3d9a77d965c08b14c383c8036e
- 03 R 0108e365c6e5aee4ca6f3b22a302d33d01057120c870a7c073f6790c85cbcc62
- 04 L bc8fdfaf013775bd1a012060d1a14511f4916b115536532cbda8e80cc745b0cd
- 05 L 9d84b05a4e13f46d568c3c36ab65bdd47d5bc6b11ffe1d7d8fb7d5e4594c5d79
- 06 L 64ba98410cc2f7f49da017b0c72499d95383cf6e123158c1d71c3043e729f971
- 07 L b3674c9e31a7b08e5b52b61a538f2f996fe24a8228ab6f8071c84618530683ae
- 08 R c208a4eaef67afa16807e5d95b9ff61d50b4d203234015f1d473fb99bb4f30a3
- 09 L 170110301ba263d50e216269716e4c034cf3befba1be13609fb3e43eda326912
- 10 L 41b53f825e3d09d0b6aa5dfab5f3a971a6c70a9ebea4ce5ebfa02762a94968f9
- 11 R fc68fe2395e70e525a605c9c692b3ca2b48448d1aacf32c7e05715148fbf827f
- root 8d0e79a0874a46f41910b5d1f5c4b9578dba532a18e7f2a49d49a01703d0bb51