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
CLARK DEVELOPMENT CORPORATION Award a ₱3.9M contract to NORTH VALLEY ENGINEERING SERVICESNational agencies
Transaction hash:
cdc04b170280060384d537e596e272d19cc0284fce565eafe86d26c9d9a9d257
Status:
Included and unchanged
Block:
#5,967 46 blocks after it
Position in block:
Transaction 59 of 76
Award day:
Sep 19, 2025 (1 yr 1 mo ago)
Value:
₱3,901,534.37
Project:
Exterior Repainting of Staff Houses (2nd Bidding)
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 #5,967 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)The award does not say which budget line pays for it.Not published
- 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)CLARK DEVELOPMENT CORPORATION awarded it to NORTH VALLEY ENGINEERING SERVICES on 2025-09-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cdc04b1702…a9d257now …
- 2. Block Merkle root changedstored 3c2b7c2173…6768f4now …
- 3. Block #5967 hash changedstored 591b4304ea…327985now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 75 records. Each step hashes the current value together with the sibling shown.
- leaf cdc04b170280060384d537e596e272d19cc0284fce565eafe86d26c9d9a9d257
- 01 L ca1af24b013d1440716b43bc69d1d5c88c1d98d99d34eb5d711f29367ff85e99
- 02 L 43a4eff973aeeec776efb1180b0f856dc74f2cbb2d058d69e564f5ebcffd0aff
- 03 R 90ae3114a2b0c98a7765fde7fb21253422178704afbcb3b7c60768ff0186c519
- 04 L 6cadde8ac4d94149564581bc0e0d8aaa4da78cdba7a47088a6fb7cad086f858e
- 05 L 74a759e70978c04a3adf665a27b6ec5debdc09375c8f1ca1e46110a426ec3204
- 06 L 45676c2cd57fcb03a54c673ee2595f3b992594d7975cbca1833b9edfedf13f2a
- 07 R 3529f8dd5f555a078f3c0d45690c5e7316433898c9502ccfbce6c369146630a7
- root 3c2b7c2173aeac3b10fd64fe1343f1056fdb30805aed027c54e8fed00f6768f4