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
MUNICIPALITY OF CALATAGAN, BATANGAS Award a ₱501.5K contract to D & C CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
d393bfee6b5e68b58a20161fd4ce68490c64ff52e90480e7e1baf1edae23cecc
Status:
Included and unchanged
Block:
#4,638 1,375 blocks after it
Position in block:
Transaction 187 of 230
Award day:
Nov 23, 2021 (4 yrs 11 mo ago)
Value:
₱501,500.00
Project:
Construction of Canal
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 #4,638 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)MUNICIPALITY OF CALATAGAN, BATANGAS awarded it to D & C CONSTRUCTION AND SUPPLY on 2021-11-23.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 Calatagan gave a "not stated" 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 d393bfee6b…23ceccnow …
- 2. Block Merkle root changedstored 5a7a381978…39f0f0now …
- 3. Block #4638 hash changedstored 8f5f0b2ab2…1884c9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 229 records. Each step hashes the current value together with the sibling shown.
- leaf d393bfee6b5e68b58a20161fd4ce68490c64ff52e90480e7e1baf1edae23cecc
- 01 L d1e4f3ff5351666535ff186510d746cedd9ca31be03f7b70861fe0fc86fdcb81
- 02 L 11a29662f55a3a5b8470423e7ad0f39d40dffea4e51044bc359b5e266425e2b3
- 03 R e13b7895c0d042377b386881c16e7afa509d7d4c9dc2eb651ef83d83f334b36c
- 04 L 5333248d5de38d847aec7c55114286b4e137ffe988c9adab92b4785260464c1b
- 05 L 58f3d084e2195bfb0b2cd4d683552206ab5a7f2539832a60f780698c2a079888
- 06 L e73b6b292f3d3b8948b0bb7375cf144ee9f7ff0d99577e970597731fda49288d
- 07 R 5ee23eee70fec6df837ab6c7a06cb2aecf00f89ae55999e4355368527ae60627
- 08 L 51f5bf90e5032faefa6ccec55f3d4aea602bd03221ae95782682224c35725049
- root 5a7a3819782ef3da731a4d4e4a9e28c2e50cdd86302967f36c6be5872639f0f0