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 - METRO MANILA 1ST E Award a ₱14.6M contract to PRUDENT DIAMOND SQUARE CONSTRUCTION CO.National agencies
Transaction hash:
67ab0b8a2aedadd41ee0b2a97e8dd75c5db479082b1d6ec6d2391a62d4d35624
Status:
Included and unchanged
Block:
#5,765 248 blocks after it
Position in block:
Transaction 242 of 621
Award day:
Feb 7, 2025 (1 yr 9 mo ago)
Value:
₱14,622,784.11
Project:
Contract ID No. 25OB0088 - Construction (Complet
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 #5,765 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 2025 SSP", i.e. the FY2025 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 - METRO MANILA 1ST E awarded it to PRUDENT DIAMOND SQUARE CONSTRUCTION CO. on 2025-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25OB0088: 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 2025-03-31). 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 67ab0b8a2a…d35624now …
- 2. Block Merkle root changedstored bf87922ff1…dc206cnow …
- 3. Block #5765 hash changedstored e9b381d086…1793cenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 620 records. Each step hashes the current value together with the sibling shown.
- leaf 67ab0b8a2aedadd41ee0b2a97e8dd75c5db479082b1d6ec6d2391a62d4d35624
- 01 R 67dbeb7e25202b7618e474e1170b212e99b2f6384fa5f68b462e7fd2f85ecca1
- 02 L 4d45b9658d1b5289b606aa8aabed0b0dcfa79d37d1ef4492b62827c54fc6e504
- 03 R 18f8d5b12e36efd20fe653b7d868d5ded42cdef2e3b81efe07f81942d704d75a
- 04 R db59a48d4f5e09d2fc53bbbd887e3d5af2d46ba4f39750026240c99dc7677c21
- 05 L 641a52b5f71c4f8597d3862b45dfdf8f9c7507f036d4311ec7bfaa8e95ede566
- 06 L a9fa81694ed09e3e70f0eb0539770fc859357b40d2215b09b4c60d442112fd3f
- 07 L ea3ef08d34274ee71cb181ade24304568bd6bf095ada1ab76d48305be4b110ca
- 08 L ca0914b16dfd7e69cd34ec620fb7f43399f35bd3cf4545cd3f85044d209e0949
- 09 R 7a3b4c5d428b4df16b19163d29e2a2d2069f7cbf9785407d96dc2d6a0caa1b14
- 10 R 281923f664523bf4a486736e022bf63d52cfb13212728dc9e55a23fd93255bc5
- root bf87922ff1af9099df9bdb34f4d6448f67dd3f23526b947f5f1ce0bad9dc206c