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 NORTE Award a ₱4.9M contract to AMALGO CONSTRUCTIONNational agencies
Transaction hash:
e00cd20f778f5bdc69e7ba28ca520cfcf743c400b2788dd13f23e5fd9f61b49a
Status:
Included and unchanged
Block:
#5,128 885 blocks after it
Position in block:
Transaction 368 of 416
Award day:
Apr 19, 2023 (3 yrs 6 mo ago)
Value:
₱4,947,229.45
Project:
23NG0047
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 #5,128 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 2023 CSSP", i.e. the FY2023 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 NORTE awarded it to AMALGO CONSTRUCTION on 2023-04-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23NG0047: 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 2023-10-22). 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 e00cd20f77…61b49anow …
- 2. Block Merkle root changedstored 1507ec0d7c…55d6c7now …
- 3. Block #5128 hash changedstored ef53917e92…5fa3e6now …
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 415 records. Each step hashes the current value together with the sibling shown.
- leaf e00cd20f778f5bdc69e7ba28ca520cfcf743c400b2788dd13f23e5fd9f61b49a
- 01 R e04938c575f42ef157d8717863a2efa4d9a3a8eadc59c29497fe117ff3f897a1
- 02 R 87706172415080c52987234f4b6cde51e08917912917c56e56c7f257abf2b001
- 03 R 65a2caa6e2fc3c132c606190a52ec27b7e02d6ed592056bd5f1b638d7c44c40e
- 04 R 78ce7633db15c1573e4f1549f7a97bac1c7acef5d995ede6d162b9527687d203
- 05 L 871da01b9d97781a1b41d38b7eec228585a67867be771600e4f75fdad14a06b1
- 06 L 487b73c436909d12d7dca5e31e412bc088bf1d748b73caeee9e3b56a22510064
- 07 L 0a03309a4b31568271e7b1e545af1fdfe5dec9c1992f408437e820219cd3cd00
- 08 R 6e9b3958f9ac8df55ccc9552226a83a2a498fea2234d4edcd7a04277f423dc50
- 09 L 08646931f21667da9754bd43612bcfc5be469ff17b974f1f24569c9391c71514
- root 1507ec0d7c0131de59da96f3983705ba33ea9ad94b73af706690a0d27e55d6c7