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 - NORTH MANILA DEO Award a ₱7.6M contract to M.C. LAYGO BUILDERSNational agencies
Transaction hash:
c3b59da28342e2b68914c3aa87c24cb9d594197ede192b49de2ae2d5146d538b
Status:
Included and unchanged
Block:
#5,315 698 blocks after it
Position in block:
Transaction 172 of 212
Award day:
Oct 27, 2023 (3 yrs ago)
Value:
₱7,557,264.50
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 #5,315 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 - Unprogrammed Appropriations 2023". 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 - NORTH MANILA DEO awarded it to M.C. LAYGO BUILDERS on 2023-10-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OE0241: 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 2024-04-05). 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 c3b59da283…6d538bnow …
- 2. Block Merkle root changedstored 53bb42d2de…aa3237now …
- 3. Block #5315 hash changedstored b793b89aec…d192dcnow …
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 211 records. Each step hashes the current value together with the sibling shown.
- leaf c3b59da28342e2b68914c3aa87c24cb9d594197ede192b49de2ae2d5146d538b
- 01 R c4554be42ccca57f5c9c7285642a39ad7e86c3e79e79ef8250353409262a14bd
- 02 R 9a7265b17cdabec82aa72e9a80121454f0dbaa3fc92b24937c4ddf86785fa55e
- 03 L 90a049c99828dfe225f130c5af6c0e5ee48342e50eb7f020f26a89b619c51705
- 04 L b6656f48808611d02c3036239550018376fd2c384360c94f9aefef654688e4b9
- 05 R ddfa7e5b3886e4f4134002a548487a77f170b563107a3e914cbb6fbcf14c63e0
- 06 L 20fb0fe4fd0413ed149cbeec6b0d20d863d23e2374308f9756c17cffba7c751f
- 07 R 0a9ec8e36b1fe884444f34e92a3f45238b3c0106f371e8252a64b74768df692e
- 08 L c68face9be9fef70e43c1cfc3eb7091b4a6ef873112827325d5edaabdbe1323c
- root 53bb42d2de30161846ee4f9965120e7263dbdbb58ce4ae0a56619e5164aa3237