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 - ZAMBOANGA CITY DEO Award a ₱4.8M contract to YLL BUILDERSNational agencies
Transaction hash:
2af28dee0e9fdd688effdde6fbc6f9de5bec3993abb5471b85daf2d317026533
Status:
Included and unchanged
Block:
#4,815 1,198 blocks after it
Position in block:
Transaction 27 of 150
Award day:
Jun 1, 2022 (4 yrs 5 mo ago)
To:
Value:
₱4,825,485.58
Project:
CONSTRUCTION PROJECTS
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 #4,815 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 2021 LP", i.e. the FY2021 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 - ZAMBOANGA CITY DEO awarded it to YLL BUILDERS on 2022-06-01.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21JA0133: 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 2023-01-13). 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 2af28dee0e…026533now …
- 2. Block Merkle root changedstored 31c93059d4…92ba93now …
- 3. Block #4815 hash changedstored 6f66f48c46…508955now …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf 2af28dee0e9fdd688effdde6fbc6f9de5bec3993abb5471b85daf2d317026533
- 01 L 296799301630d61dbb156d3e97bb41d6afc8e16592f08949da143959a1e14222
- 02 L bd6d00180c910f9842ca7ccd5c98fe79835a39bd4bf18f9affbf69e793f23568
- 03 R 327a0ce01d42a39ee461d5221290573b0ab42ac62ffeb5889f161a39aaa831e3
- 04 L 51c530e2530ff58945896c27c481565a61c5da764f5c09191c7b55fc31c23024
- 05 L 30a4ca025a5d6fdb011694391168ce650632fa73b5d842b6af9593e580102c2e
- 06 R d06c49d7656a37f125f0f3a0588f7543334e6c8f0989279d5ba70cc679ce1d36
- 07 R baae29c1fe8d5ca2418025b71c5e15b60ae48b939f5448f23d0ebef5de69d739
- 08 R 9f3746512effd072c983a5c41a006b39c2723990c715f01efc9316e5e43e5151
- root 31c93059d4a1abec3db915a72ebdab852a6a593202f0eaa8da371abae592ba93