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 - NORTH MANILA DEO Award a ₱15.4M contract to CARINA ELECTRICAL CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
6764ece01cff9caa112bf15f6c4da84e72e043d74bb45f2ea022f0b236e2b329
Status:
Included and unchanged
Block:
#4,441 1,572 blocks after it
Position in block:
Transaction 75 of 190
Award day:
May 5, 2021 (5 yrs 6 mo ago)
Value:
₱15,407,801.85
Project:
Construction Projects
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 #4,441 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 - NORTH MANILA DEO awarded it to CARINA ELECTRICAL CONSTRUCTION AND SUPPLY on 2021-05-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OE0117: 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 2021-10-28). 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 6764ece01c…e2b329now …
- 2. Block Merkle root changedstored 4c0cf392f2…b17f23now …
- 3. Block #4441 hash changedstored 54c0615b1e…6b44bbnow …
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 189 records. Each step hashes the current value together with the sibling shown.
- leaf 6764ece01cff9caa112bf15f6c4da84e72e043d74bb45f2ea022f0b236e2b329
- 01 L 665ed07a29d6e27b697c033cfc79a08dade3ae255bacf684ee347308b22db29d
- 02 L 5865ab0549ca4eb0b4661dd2ef9906a158cbb3c0c9d637fee93526e55e367626
- 03 R 2d88ab5a2052f8c445eb33bdff08d21cce447dc232c0b14884a6592ed5bb1f1a
- 04 L 54b5eafca87489ddc62b24e762a33c3a2748fa0af6d1ad69d55a0b77c36f3a3f
- 05 R 53db2e9c5db96bd461be017ff5421591645140463bbe3ae7a1164f71e561bd9a
- 06 R d8d231e0b96ddb0f71e1145124cde82fb5571485fd5770e96c51c2b6a3dc1357
- 07 L 92abda66eafee071bd6a389a71bb121cee7e14281201b858df330caeb064a74a
- 08 R bfdac048b6b280e772f5764897c1b26814954cfb33dbd2133e3f73ad8f06d772
- root 4c0cf392f2f2e25657c05bf9ff6e5233ee87e0d936275effc5afa74ed9b17f23