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 - DINAGAT ISLANDS DI Award a ₱492.5K contract to GEVANS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
404bd2e7dc3f351ff8b648a2613e56b46f5953dfdac7268f947a1b46be16f398
Status:
Included and unchanged
Block:
#4,007 2,006 blocks after it
Position in block:
Transaction 145 of 504
Award day:
Jan 27, 2020 (6 yrs 9 mo ago)
Value:
₱492,497.61
Project:
20NE0041
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 #4,007 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 2020 LP", i.e. the FY2020 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 - DINAGAT ISLANDS DI awarded it to GEVANS CONSTRUCTION AND SUPPLY on 2020-01-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NE0041: 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 2020-12-23). 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 404bd2e7dc…16f398now …
- 2. Block Merkle root changedstored 2412082d9a…e655a6now …
- 3. Block #4007 hash changedstored f19bc0b54b…279ac1now …
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 503 records. Each step hashes the current value together with the sibling shown.
- leaf 404bd2e7dc3f351ff8b648a2613e56b46f5953dfdac7268f947a1b46be16f398
- 01 L 400de60d8af5569bde5823c8f825349f352d2689ff3fad14b8f517b3aebac696
- 02 R 2e223db002fd8b5df975e2635c261b0215a00f42495eb7d4ddbc0a5cc61feb48
- 03 R 4a53ffdc5b818216737cba4c401ffe7df52b672f352da58224d3f79676005eee
- 04 R f02a39a1137d56ab4695256e202817d09303b1127d09e368274dfb81461b9ecf
- 05 L fbb1a02650834d532f47637bd04735387c1f0e4a2363411412981228a2543779
- 06 R eb1a771e003414f189b8123bec697572dfacd2926d773ac17cc90b508b71ba15
- 07 R 671575d87d5ff47cd792e020a4d95e59df414c3fe26cef733e701aaec2a8292c
- 08 L dae0b1ba0daa725f6eed6832e1781c89ab52cd6b501ae206f0c1a25e3610b4b3
- 09 R d35611511ee41b4f3550c4ad42284bd7557806ce2cd5d5649a185b3f5f638248
- root 2412082d9a2f00647434eb68b70c476f524fc2714b8bb14af8c6f3c29ee655a6