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 - CAGAYAN 2ND DEO Award a ₱10.5M contract to A. NIDUAZA BUILDERSNational agencies
Transaction hash:
849f8a57bf4802cd23f2073aa9edb28e1e75de866b23b5e4ba4a717c638560ff
Status:
Included and unchanged
Block:
#5,263 750 blocks after it
Position in block:
Transaction 166 of 339
Award day:
Sep 4, 2023 (3 yrs 2 mo ago)
Value:
₱10,453,292.45
Project:
23BC0126 re-adv- Construction of 1 Storey 5 Classr
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 #5,263 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 "Outside Infra - GAA 2023 DepEd BEFF", i.e. the FY2023 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 - CAGAYAN 2ND DEO awarded it to A. NIDUAZA BUILDERS on 2023-09-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23BC0126: 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 2024-03-30). 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 849f8a57bf…8560ffnow …
- 2. Block Merkle root changedstored f233728269…1e41bbnow …
- 3. Block #5263 hash changedstored 1cdb8b34e5…0fd091now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 338 records. Each step hashes the current value together with the sibling shown.
- leaf 849f8a57bf4802cd23f2073aa9edb28e1e75de866b23b5e4ba4a717c638560ff
- 01 R 87d0811c9e676bbebd5ee68c8e27dd9bde4106b4a41a2a43c85b682d4f59f996
- 02 L b0b68f10a683d6445e37211045b19c5490fe85bf5426719e4694723dd7226a60
- 03 L d7b358ac7b7ed9cac38b758a4ecc63e4338913f21b199858424064ff2e280376
- 04 R 41aa7d7fd2033bf3a53e525f78d05c9af1726d354f193e61308c213f70af756d
- 05 R f9224a8374603e8d33e69690b3d2fd2fabcfd1d96cda899d2b0a33e39dfea6f1
- 06 L 3c1b6338d31eefff172436c5dfb1062045d33fff095d6c9a4ce984772b4ac624
- 07 R ed9465f45085e414ff9ac480ddfca93052a51661e4f0e169c18d43aa7f8f4d35
- 08 L 35a685d0f462aebcdedaf96fef55e334430163d04a3f2c4e2562d802084c87f7
- 09 R 258061d008af13ab2f2c1eb9ff48087f9e74fa66920f69ba2bbaa97eb00d11fc
- root f2337282697ef79ef59890a64cf4e1fbc42263ef4d1cc6ff224332c3df1e41bb