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 - ZAMBALES 2ND DEO Award a ₱1.2M contract to RAIK CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
6f71fd04c7bdb43378e19cbe45658a22edc3e7731cbaefcf0084a417b71b1197
Status:
Included and unchanged
Block:
#4,856 1,157 blocks after it
Position in block:
Transaction 88 of 241
Award day:
Jul 14, 2022 (4 yrs 4 mo ago)
Value:
₱1,187,191.78
Project:
22CM0071- Repair/Maintenance of DPWH Building
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 #4,856 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 - ZAMBALES 2ND DEO awarded it to RAIK CONSTRUCTION AND SUPPLY on 2022-07-14.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 6f71fd04c7…1b1197now …
- 2. Block Merkle root changedstored f29e59d11c…a379f7now …
- 3. Block #4856 hash changedstored 38588289f5…915922now …
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 240 records. Each step hashes the current value together with the sibling shown.
- leaf 6f71fd04c7bdb43378e19cbe45658a22edc3e7731cbaefcf0084a417b71b1197
- 01 R 709e9f9c3d0f37b7f0f433b59d52b3adeb8485d2843ed6ee7c4e2f3b692e2a6f
- 02 R 5f2dfe2b37d34d30d463624d6b62a8a5362769ce4b273623d5f2612b9d69a5ed
- 03 R f2ef9498aba28e9c1ba4fe08012d955d90a06fe21c7579318d08d08bb9f5d6f2
- 04 L d6d2a664881470975c62f76090b5d7609e0e0cd6cb40f69c5295591f5b53dae1
- 05 L e879a070067189fb66de715abc1d02f5340a32403122ee24101608c70c6545e6
- 06 R f226bd74e8a88476bc2d24a1c7bfd4b42deb571b4f1d0df7e00868fb8dd0b7b6
- 07 L d8d82feb7ee5d12fad0cbb33534ae985d6d8b067cebf62f75cafa008ff7c5e17
- 08 R 798cfcd25a81e5336494e56cec98de535c6f8555f6af68a866f322adc597ae63
- root f29e59d11cf9c2631f500ae3d9f105d120e3bb41d240ec40e6ac32c239a379f7