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 ₱2.9M contract to POSTEMA CONSTRUCTION & DEVELOPMENTProvinces
Transaction hash:
2e95bd902a3ee80ffe17f2369e3b483c1f51cbfabf787cf519b2d77599ace32e
Status:
Included and unchanged
Block:
#4,734 1,279 blocks after it
Position in block:
Transaction 81 of 481
Award day:
Mar 2, 2022 (4 yrs 8 mo ago)
From:
Value:
₱2,852,166.40
Project:
INSTALLATION OF 44 UNITS 30 WATTS LED SOLAR POWERE
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 #4,734 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 POSTEMA CONSTRUCTION & DEVELOPMENT on 2022-03-02.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 2e95bd902a…ace32enow …
- 2. Block Merkle root changedstored e544206e4b…fc3fd0now …
- 3. Block #4734 hash changedstored 0b0b7ac827…7cb4aenow …
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 480 records. Each step hashes the current value together with the sibling shown.
- leaf 2e95bd902a3ee80ffe17f2369e3b483c1f51cbfabf787cf519b2d77599ace32e
- 01 L 2e8d7c1d65c568d0e6e26047dca12f84602ad25804c5392abe066e4df567734a
- 02 R 931d0a673764cd427a3fa99ed93806e867e439deeb940d37c8ce6f20a9474ddb
- 03 R 49cf84369f9f14880592a327ca1ecb52dbf19984980920ebd06de50e9620c3dc
- 04 R b3ea572df01394038854d2b8a085bcbbb2bde3b604f3d1833e563dbab1096faf
- 05 L 3a1f34c471cb8cd42a69385c2a10b8b10b87552f701c9317cdfc0a55ffd2967b
- 06 R 1e53d33548a19eaf3fc76920523271d351da4676f51f1e2e5d6b1d62600754f6
- 07 L 823a43e8e9b59b06d550b2c46953cdf7a9b2f4127c613bfc82bf0eade91b171e
- 08 R 659b2bbee316993c2a3d1ece50f982ce91451c9687e5b964b6bef789d2d1f28e
- 09 R cbf01fc98d7c400207aaf2bd7e3a467e8c2fd63d93252d89a575cf1de0e1436f
- root e544206e4bfffbf082d63172168752cdeb7d3b7f5ae9a6064fe8e8c612fc3fd0