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 - SURIGAO DEL SUR 1S Award a ₱4.1M contract to E.D. ANGAS CONSTRUCTIONNational agencies
Transaction hash:
8d41ef39c8a0abcd33fb380076cdb2d3cbdff6d0456d20799c1a6da8e2d84da6
Status:
Included and unchanged
Block:
#3,873 2,140 blocks after it
Position in block:
Transaction 171 of 312
Award day:
Sep 10, 2019 (7 yrs 2 mo ago)
Value:
₱4,055,314.70
Project:
19NH0088
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 #3,873 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 2019 DepEd BEFF", i.e. the FY2019 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 - SURIGAO DEL SUR 1S awarded it to E.D. ANGAS CONSTRUCTION on 2019-09-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19NH0088: 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 2020-03-15). 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 8d41ef39c8…d84da6now …
- 2. Block Merkle root changedstored 5b3215e999…a687denow …
- 3. Block #3873 hash changedstored f770cfd0c6…813834now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf 8d41ef39c8a0abcd33fb380076cdb2d3cbdff6d0456d20799c1a6da8e2d84da6
- 01 L 8cf9f932ddae1eaecbc172174159d78033a3049732d438019d78e6a9d48dab13
- 02 L 04fbad0d7365740ab29a6c5ca3c97ab477c620e25855aee61a5b6a64dcee75e7
- 03 R f37bfb961df92a91484d4d19a8b7272ee755b5deb9a9e2dc332c7a224b9f0fa8
- 04 L d13949ebc59b06a9c7a1b260e2c0c205f008adc44e4464fbe42090eaf344a64a
- 05 R 117ae38e1d75b8ad4c49a7f1800f02fe85120fb34d7486ed5d9402afb6001d91
- 06 L 5715380e3a0e23b37ff2f95465e6945107a1052df39e6148ca11a47e52a1c94e
- 07 R b27422dde03043eaa99d206fb9289a5712e4fe651eb5d5029d71fa9230bd4e23
- 08 L a3cc4e69b13ceeb706604a4424ff062e63d979a24c68d8fd325d53e5523ad4d9
- 09 R 06554438322aba0047c34d2ad90f540ad8852659134db85a4b5f5871b2d7330f
- root 5b3215e99929b681cfd9088600ff88de904649b212c422da6d84ab5962a687de