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 - AKLAN DEO Award a ₱20.8M contract to NAGAMOS BUILDERSNational agencies
Transaction hash:
16d396cdd3579cb5eeb5044d56645cf93c3220000462f45760653e5bdcd836c5
Status:
Included and unchanged
Block:
#4,418 1,595 blocks after it
Position in block:
Transaction 26 of 358
Award day:
Apr 12, 2021 (5 yrs 7 mo ago)
Value:
₱20,794,187.26
Project:
Concreting of Barangay
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 #4,418 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 - R.A. 11494 DA FMR 2020". 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 - AKLAN DEO awarded it to NAGAMOS BUILDERS on 2021-04-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20GA0253: 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 2021-06-18). 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 16d396cdd3…d836c5now …
- 2. Block Merkle root changedstored fbc1704bca…efd2a7now …
- 3. Block #4418 hash changedstored 65618cc7dd…ee5570now …
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 357 records. Each step hashes the current value together with the sibling shown.
- leaf 16d396cdd3579cb5eeb5044d56645cf93c3220000462f45760653e5bdcd836c5
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- 02 L dd68f0e7ba1f1ef5d9a36c5dc7bd872f8bb739c49e9ddf31bd4e450542dd3665
- 03 R a541e6a4cab4cff4353e13fe5069d1007ff2077b37f54dec34e51178e05d0157
- 04 L ea053c944eaf644022e4eb03d9b3a3a5919c959c8204c978e5b25f228a597fb4
- 05 L 9a1fce43b5c9f574a4f6a109671f17c02bfbc2fa9711cfcd9511d3fe681689a5
- 06 R b7a5d02097565db438f8ca3b2ac72eceafeeed8442a1bdd5642758d15554cb6e
- 07 R 22493303c10a29817e924934502df77a3258df9bc98ffbfb61a99bf65055a0fc
- 08 R 0b9fdf5a84da9979f3f5fab0cbccca1fdb69c7c0221cf299f0a3ced15a064167
- 09 R 08a7dfaf33f7cbaaaf639da4bfeb10b0c80f092e6cadb174c331c3fd87af6a66
- root fbc1704bcafdb602cb8c18ee404765ed07192a2f26b2bd176f97e2e6a7efd2a7