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 - NEGROS ORIENTAL 2N Award a ₱9.7M contract to BIGFOOT CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
807e7c52bc2ff77122548fdc2b6a1df73f2224c40b71c6323dc15ac6c79350f1
Status:
Included and unchanged
Block:
#5,797 216 blocks after it
Position in block:
Transaction 144 of 303
Award day:
Mar 11, 2025 (1 yr 8 mo ago)
Value:
₱9,674,096.28
Project:
Construction Project
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 #5,797 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 CP", 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 - NEGROS ORIENTAL 2N awarded it to BIGFOOT CONSTRUCTION AND SUPPLY on 2025-03-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25HK0021: 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 2025-07-24). 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 807e7c52bc…9350f1now …
- 2. Block Merkle root changedstored 48109bed5c…04f04enow …
- 3. Block #5797 hash changedstored 8301a918ab…9a5fdcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 302 records. Each step hashes the current value together with the sibling shown.
- leaf 807e7c52bc2ff77122548fdc2b6a1df73f2224c40b71c6323dc15ac6c79350f1
- 01 R 8110331077bbd82df6769ada79a2f18862f5b1fb697502536b7a859fda50f0b9
- 02 R bfa3dfb34916ed1b6f314b6863287a7a72633f120a3d78debf4814d0a7b1a6b6
- 03 R b423d02e99e0404a4eb07a1da00c2b18cae9d9bb86eff4cedcc413fb01bb9e3e
- 04 R d7d5b1bd6fad3a4bdec4c871cf0011c886713ea97115a7b5bd1ae8222ff0d86e
- 05 L 7d0b30e9d86559da07279545ffff9c6be2d63d4d24e3827fb62905dc39183686
- 06 R 8122be03a0eb635e843523ad4d13138ae0aa8bd5ff06a95003b2525aaa41b159
- 07 R 40bd0f5fd4bcdff71ca0170344c9179d02a75aceda3c289995928c3aea030b22
- 08 L 1d5d6b8272f42f43d0552bae5794774b6728b8799f28546d38116b97f8d63233
- 09 R ae546e1f9c360d205718f823bf91a050a061646c1683aae9f59a4d2b9262e0ff
- root 48109bed5c0ec1d7caf8cee9c4af4f450e4e9ff21cb28a426f64a8e3ab04f04e