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 1ST E Award a ₱48.0M contract to NEWBIG FOUR J CONSTRUCTION INC.National agencies
Transaction hash:
646cc79dcdf21d62da128fd98b62ed2c4635daed911d188c6ebf68c765dba9fc
Status:
Included and unchanged
Block:
#4,747 1,266 blocks after it
Position in block:
Transaction 228 of 617
Award day:
Mar 15, 2022 (4 yrs 8 mo ago)
Value:
₱48,014,452.90
Project:
Contract ID No. 22OB0062-Name of Contract Cons
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 #4,747 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 2022 CSSP", i.e. the FY2022 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 1ST E awarded it to NEWBIG FOUR J CONSTRUCTION INC. on 2022-03-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22OB0062: 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 2024-03-01). 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 646cc79dcd…dba9fcnow …
- 2. Block Merkle root changedstored 5323e4a7d8…736d15now …
- 3. Block #4747 hash changedstored 20911aefb3…e7e764now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 616 records. Each step hashes the current value together with the sibling shown.
- leaf 646cc79dcdf21d62da128fd98b62ed2c4635daed911d188c6ebf68c765dba9fc
- 01 R 659a0e0dfdd8df03b3ca5fe2c35f4b86c64538272d9ce7a660861d6958c34196
- 02 R 44dd078ab4f819d08a77288d1ef3fa43280e01915dfe077e32b7f534de51f1f0
- 03 L dbfdc2c75e777fee0d73ff6ea9103447b643e2ae66c8a4014eb6b324225d562c
- 04 R 8fc748cd440e76aefdcf6e1b971a328ea2e6afd2654825422f536ca2fd2279d8
- 05 R ad0968e85513e11a910739210dd55b3112f49b772a8f51552c6fc0c927feca5c
- 06 L 944c601a0ef603a2e7cb910db4d649aa4d58e5658e619cbd119e15d70b84b051
- 07 L a216e8b20ed9b7a66a159275e15bd5d57e756253a446e0a82c068e37a340d9b1
- 08 L aea0d1066851cc4a06b44f453ffe875ac6624e2614901aca9c2bb237b2442943
- 09 R f1ad119c26707549db9c46888c464d08bceaadaa2d50527ec17f5058aa7b6186
- 10 R d986016e2a0c9f2ebaa435271677c57c1b400e49036237f85680d7f653863004
- root 5323e4a7d8b2edf2c2700c4dd0cc0e817da2ab504427a6ac30d14c2bfc736d15