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
PROVINCE OF CAVITE Award a ₱7.5M contract to N.B. AVILA CONSTRUCTION - CAVITEProvinces
Transaction hash:
3cf57ea87448e18efa3adb2da5b95817adb714713ee62d8d61078d38e110a6c8
Status:
Included and unchanged
Block:
#5,978 35 blocks after it
Position in block:
Transaction 85 of 364
Award day:
Oct 2, 2025 (1 yr 1 mo ago)
From:
Value:
₱7,501,165.84
Project:
Concreting of Road (Phase II)
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 #5,978 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)PROVINCE OF CAVITE awarded it to N.B. AVILA CONSTRUCTION - CAVITE on 2025-10-02.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)COA's CY2024 audit of Cavite gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 3cf57ea874…10a6c8now …
- 2. Block Merkle root changedstored 2d8e119df8…7bae37now …
- 3. Block #5978 hash changedstored f5ec6bee6b…cc365fnow …
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 363 records. Each step hashes the current value together with the sibling shown.
- leaf 3cf57ea87448e18efa3adb2da5b95817adb714713ee62d8d61078d38e110a6c8
- 01 L 3cf566971e10663386540e408161ba65ba291920252960d4b0b72acde139e725
- 02 R ef17689e3c2fe2069d5aaed771f29a8c4df13ab30393d817608a6afe9b915320
- 03 L 2262f3f511eec6be04ef29e41fcfd4fd218e751a8d588b938329894a7eab271a
- 04 R aca8ffc69d81e62e930b8532388299bb4f6c14bb51a8ff2909d0cc62fcb05cb1
- 05 L 09a51f44068d6f6c16e16e900f165f3793b94de42dd3b12a4945edffca616c96
- 06 R f52dcd5b1b0f99a1a2bddabe468c07eab8d6f59e646ecfa077cbaaf37dcf3b9e
- 07 L 4cf3367b8614c567a342737a2bae9710c266769872495ecf53652d0ab6224ea6
- 08 R e8f24fc3fb1dd8fc7700ac3cd5d27eeab3c5d98f578a4af4fd70e7d9088a747d
- 09 R ccbd01de4072d7e459a742c7fe857c678d132c7488720a27a510cd95a94499fa
- root 2d8e119df81ad7018dcc3e50059c96d971f68a7465f197e994557490f17bae37