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 - REGION XII Award a ₱93.9M contract to GRACE CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
2758dcd8ca748ccd8a9294022ea47eb3edb02f87aa8ed27742bebc75f2dd5972
Status:
Included and unchanged
Block:
#4,548 1,465 blocks after it
Position in block:
Transaction 25 of 193
Award day:
Aug 25, 2021 (5 yrs 2 mo ago)
Value:
₱93,928,375.73
Project:
21M00055
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 #4,548 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 CSSP", 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 - REGION XII awarded it to GRACE CONSTRUCTION CORPORATION on 2021-08-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21M00055: 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 2022-06-30). 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 2758dcd8ca…dd5972now …
- 2. Block Merkle root changedstored 6090dc5454…77f401now …
- 3. Block #4548 hash changedstored 4e51b927a8…60911enow …
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 192 records. Each step hashes the current value together with the sibling shown.
- leaf 2758dcd8ca748ccd8a9294022ea47eb3edb02f87aa8ed27742bebc75f2dd5972
- 01 L 256f30999b805edd450ed618fd493c0f6cb43d5608b0da71a20ea850b5c80227
- 02 R 29fd32e40baecbd3d03dd134f661b994b37e74b2ac17abbe4e4f1e586b519363
- 03 R f571aefacbb401a3c507316583be8fc234bff70ad911617cf3c96ae6ebea4aa8
- 04 L 815f1e077cb07763572dee526bd47624b89cf3242e2350a90b491a6b466b671f
- 05 L a874190acf2e79e15743ea4787de9402aa61b54aff83ab93cf3ae7966d934b01
- 06 R c52bcbe930cd19fd3b04f13e84abae26a4a0e589e3cb99262d578ea0b1fe4954
- 07 R 403abcdbb3b71c4546831fc5a8d118fe4b70afc30888605913262d217254d5f8
- 08 R 2063c76eddb848f305b8a8de53875695523849cfa33b0a1a88ccc5c3fe5ec924
- root 6090dc5454e593eaf16ad6b80c02fc66f0a6857fb6d05b32c025b9c4c377f401