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 - QUEZON CITY 1ST DE Award a ₱4.7M contract to C & F CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
38ea33e8fbe4bcacf4ea92b1c2433d32bce5a1239a75c03708ac3f5bfc4cd963
Status:
Included and unchanged
Block:
#1,266 4,747 blocks after it
Position in block:
Transaction 5 of 24
Award day:
Oct 12, 2011 (15 yrs 1 mo ago)
Value:
₱4,739,802.41
Project:
Proposed Rehab./Asphalt Overlay of Payatas Road, Q.C. (Km. 25+570 – Km. 26+000)
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 #1,266 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)The award does not say which budget line pays for it.Not published
- 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 - QUEZON CITY 1ST DE awarded it to C & F CONSTRUCTION AND DEVELOPMENT CORPORATION on 2011-10-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 38ea33e8fb…4cd963now …
- 2. Block Merkle root changedstored a5003e8e9d…4996ffnow …
- 3. Block #1266 hash changedstored 264c000754…d63d63now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 23 records. Each step hashes the current value together with the sibling shown.
- leaf 38ea33e8fbe4bcacf4ea92b1c2433d32bce5a1239a75c03708ac3f5bfc4cd963
- 01 L 291d92fcb254aebb1a72ffa1b7ca9f3823481375ec0fc4043fa0fdeeea69ecdb
- 02 R 5eed1fbd0993dc54bff04301ed61e48f04d1223a359333148b55e0a10e76928a
- 03 L 4d408be1d9f65ba2e9b7a45535f3b8bbdf8fad298ddc3df36c40b0eaaeb39932
- 04 R 75e3f0324dccc9fd0524058bb200f0d689cf01e41e55be420f8266c017a48376
- 05 R 3cbd80a2d4db41e544b1eb09be48bfc5293e4bc14d8b37bc170abf8ad90e26e3
- root a5003e8e9d30e7262a629b1bacd32c0d2eaf5c246c110225336d59c5b74996ff