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 - REGION X Award a ₱2.0M contract to ZAIN CONSTRUCTIONNational agencies
Transaction hash:
cab524c6416cdefffedfa42a7fa7c4cca2ec43805b47c1d43190475b67dec8c6
Status:
Included and unchanged
Block:
#4,512 1,501 blocks after it
Position in block:
Transaction 253 of 335
Award day:
Jul 19, 2021 (5 yrs 3 mo ago)
Value:
₱1,959,991.17
Project:
21K00225
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 #4,512 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 2021 LP", i.e. the FY2021 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 - REGION X awarded it to ZAIN CONSTRUCTION on 2021-07-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21K00225: 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 2021-10-25). 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 cab524c641…dec8c6now …
- 2. Block Merkle root changedstored e07a583c1c…a85704now …
- 3. Block #4512 hash changedstored e3e2824b94…29763cnow …
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 334 records. Each step hashes the current value together with the sibling shown.
- leaf cab524c6416cdefffedfa42a7fa7c4cca2ec43805b47c1d43190475b67dec8c6
- 01 L ca63105de41a35b6d0b1f476f8057f1bc3ad443e32e5b9d8274539bc95bb5974
- 02 R da736eb61ba6ad9428b851a0109b0ff0693911a5b8edda354d8fc0cec641b32b
- 03 L 6ac9b6a449d8f8ca3cfe91228bd1864131cf29c95093ef61a06d8dcbe01d4155
- 04 L d1fbdcfa0b9feb3236166715fb3cbc189716469a1104dd81ea878a69d6990372
- 05 L 7902b2db2106724f66952517f1a6e53eb73addcc04091882b629d6bbba23cefa
- 06 L f296fb32322f7eababc00f42da3599c22a41e8e4e750db701757feddccd5896d
- 07 L d94cf502a14575221f22968ae843d7084cefe51acfc77d1eb9c5578b5f08adb2
- 08 L 99fb8eec2bf146e9c1713a86defa867ad48e5dbe61e6bf9e26bc7164839a7fd7
- 09 R 5351f0d043bbf9ade886d8be6297f43f1b0b1e7ae3a483781c9b2dd8b23c0182
- root e07a583c1c9f79aeb318789e3bf12eeceb0f3a79bf190c1802dcb555aca85704