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 - NUEVA VIZCAYA 1ST Award a ₱4.9M contract to ACES CONSTRUCTION MATERIALS TRADINGNational agencies
Transaction hash:
8a1d62894153baff094515b2c182bbe82c863220c1de15418387cdeafcdd1bf2
Status:
Included and unchanged
Block:
#4,797 1,216 blocks after it
Position in block:
Transaction 302 of 586
Award day:
May 10, 2022 (4 yrs 6 mo ago)
Value:
₱4,853,059.59
Project:
Convergence and Special Support Program (CSSP) – B
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 #4,797 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 - NUEVA VIZCAYA 1ST awarded it to ACES CONSTRUCTION MATERIALS TRADING on 2022-05-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22BI0076: 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 2023-01-26). 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 8a1d628941…dd1bf2now …
- 2. Block Merkle root changedstored a91157e4d8…b2059anow …
- 3. Block #4797 hash changedstored 4fc23c6e9d…588b92now …
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 585 records. Each step hashes the current value together with the sibling shown.
- leaf 8a1d62894153baff094515b2c182bbe82c863220c1de15418387cdeafcdd1bf2
- 01 R 8a2f57968bc2f791e8d38fcc0ee4fd0f80a308976592ea15a7ac6121bd6f1511
- 02 L 06732d267afe8549a3bd2cf875aa8ba646634fe337e47702533256b7f6d9a0c3
- 03 L 514df91bd933b25b14741dd7efcd51012b395392477cb86719e236834a295a6b
- 04 L 608da86b6e267f9e03ba6b5b9f43aa469ae1789cd6ca2ccbd370deed93de421e
- 05 R 495388f8870e02e437427ad40e75d5ca0ce20727a5c2f87191ec90f4488665c1
- 06 L 8ec9a1a642f17dd0879efcef6ebfc7679d81554bd416f1b416eb973da197a968
- 07 R bac719e8344737c40ac800dd260bb77d833a9956abcabdd1bcfc581cd90ebdc3
- 08 R 66626d5994f1556cdedd43a72c1d32a4b6a76f1983a3fb29a9feba8c841a40ab
- 09 L fd11bf91a28dffbe711db66f6a5179bdb16d54ec459f5003a3e242dc14c6a3fe
- 10 R 6aee71fd72ba1f98beb7c5d2ca96d2f6ef3a2d524b069f1ee38bfb8af2ffe23f
- root a91157e4d81262db834c169cf1e89adb8455a9abcc5739b02e119b5520b2059a