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 LAGUNA Award a ₱2.1M contract to POWER K CONSTRUCTION SUPPLY & SUPPLYProvinces
Transaction hash:
728ba19b0dfd0a9ef41b83b35c7751b20b9fea233825bf513ff4c51b00092d03
Status:
Included and unchanged
Block:
#965 5,048 blocks after it
Position in block:
Transaction 13 of 32
Award day:
Sep 24, 2010 (16 yrs 1 mo ago)
From:
Value:
₱2,130,115.60
Project:
Construction of Perimeter Fence, Pagamutang Pangmasa ng Laguna, Bay, Laguna
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 #965 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 LAGUNA awarded it to POWER K CONSTRUCTION SUPPLY & SUPPLY on 2010-09-24.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 Laguna gave a "unmodified" 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 728ba19b0d…092d03now …
- 2. Block Merkle root changedstored 7aa8d3de22…c2e2cdnow …
- 3. Block #965 hash changedstored 7d0cf4b0d2…68cf13now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.
- leaf 728ba19b0dfd0a9ef41b83b35c7751b20b9fea233825bf513ff4c51b00092d03
- 01 L 6dcb1353bb51147affa9257f755669d7273b86bba7b46491bfdfddbfc4cb2d95
- 02 R 9750261b04b8c7b7904ae6387e6b1a6fc141369ca685fb93c34b0645f0f9005b
- 03 L e6260a429b832d368c5c4a9ab3f343d108e95b9d158b609fce60d39b680f9ae6
- 04 L 3767b1da6ef5215010d44c6f1bba562f998625057a4da516ea1fabb70d361484
- 05 R d3c576236aa7fc34d2e9203fefb33ddccfe38c750c25250b21d96e3534f639e0
- root 7aa8d3de222a7a2cad1c0447788ed02ebf03975e4edd03e92c9ce13e4dc2e2cd