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 2ND E Award a ₱44.7M contract to AKN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
a78c8dc8f747182b6b146fe0bb027ee000529135efbe0c0bbf3c5dfb8494d775
Status:
Included and unchanged
Block:
#4,044 1,969 blocks after it
Position in block:
Transaction 136 of 213
Award day:
Mar 6, 2020 (6 yrs 8 mo ago)
Value:
₱44,660,682.50
Project:
Rehabilitation
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 #4,044 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 OO-2", 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 - METRO MANILA 2ND E awarded it to AKN CONSTRUCTION CORPORATION on 2020-03-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OC0037: 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 2021-01-26). 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 a78c8dc8f7…94d775now …
- 2. Block Merkle root changedstored 85c5c36a9e…eed54bnow …
- 3. Block #4044 hash changedstored d235470b34…3ad277now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 212 records. Each step hashes the current value together with the sibling shown.
- leaf a78c8dc8f747182b6b146fe0bb027ee000529135efbe0c0bbf3c5dfb8494d775
- 01 R a988f653949975cd0d51d89b4bcede2e23ca2a88a745a817fbfb4815470a46ab
- 02 R 11ad595f94c66e2bce70a6906e5357f26d859a3f247d75e2612f897b72732484
- 03 R 06b9361bb335fce62bd3d4bbfdfef04e6e7c0ef6d65edf21b550c032ef427442
- 04 L 4ae9a6e3f615ddde82044a2f6eee86cf5df45c7e867b4c6eb13171396ca80156
- 05 R c9dd8759465014ee07ee015f766c6cf9edec8ca32da36f527467cf68b1e14138
- 06 R f6f5bd1cb43c383ffdbc30319160e92d748b500e0c09be7dcf02e4a1943d04c3
- 07 R 3eeb1af56df398b32086f6d344837f0e08511d133977748ed422be10d6383556
- 08 L 97c95803456c416db5334b2b8d1fd0ee6430b318f5ab215fd2e4e7934ddd6ecd
- root 85c5c36a9ecc1fed3dc1cc84528e353d11be70d6c9a8dc815c5c8a9181eed54b