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 - MOUNTAIN PROVINCE Award a ₱34.1M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
28d19bcfe01a67fe60f1bad6df864ee36934d1fd64745b708dd9a3df1adcf1ca
Status:
Included and unchanged
Block:
#4,754 1,259 blocks after it
Position in block:
Transaction 451 of 2,935
Award day:
Mar 22, 2022 (4 yrs 7 mo ago)
Value:
₱34,127,868.48
Project:
22PM0030
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 #4,754 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 OO-1", 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 - MOUNTAIN PROVINCE awarded it to MG SAMIDAN CONSTRUCTION on 2022-03-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22PM0030: 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 2022-11-22). 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 28d19bcfe0…dcf1canow …
- 2. Block Merkle root changedstored 66d72ad66d…9aa047now …
- 3. Block #4754 hash changedstored a55128f2c5…82ae12now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,934 records. Each step hashes the current value together with the sibling shown.
- leaf 28d19bcfe01a67fe60f1bad6df864ee36934d1fd64745b708dd9a3df1adcf1ca
- 01 L 28c84c48258ab8833dbe7c367226e637f865500b1160e4e2dd39895afd0fde08
- 02 L 5fa242e46a18ef68af4dce36a6f040e66d6ef1c98fb3cf31eb1ac3b572bf42ba
- 03 R e6ec00d2e329364169dd4d3a12199db032ce2e5496f35680183b938ecbccb910
- 04 R e2db4b64b5af28377e2177310e1058cd334c078fd1c7878a63d3b90f5c396d5a
- 05 R 4dede9f528bd07cfddfbf10a111a167eea2599289a6356492c957de09f22a29f
- 06 R a76f1abae60681ebc6f155fdb20dbf03db300fc897d9f63a312578bf2acf267e
- 07 L 61efc5eabfae87060ede031447486ea0331b0814b50e05cf0d10a41b3252a3a5
- 08 L e1b278686c03f738b6c07bf44a8262d96b7960640d7480b2047c7f9d6139de78
- 09 L 1843a4a53ddfc760ce81ec9a57e0bc47fc5f3539e85b47da829aaf0f78d91ddb
- 10 R fb1b4b60080474252969948965800e705104969113b77558b7f460a4bce80ce8
- 11 R f9443c6cb9ac96737828b1ecd54aac7e925d9f3ec14fa5d030429eafb82df266
- 12 R f5ae93bd19d5163a86ab3809e5438db9fac5c1480b3570632518c979ef693bc0
- root 66d72ad66d493aa626c0806eb5f72de9588e7e3d5129bdaa9edbe51a709aa047