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
CITY OF LIGAO, ALBAY Award a ₱86.1K contract to ANPRE CONSTRUCTION AND SUPPLY, CO.Cities
Transaction hash:
6821c8e3818d69c668d4daeb5040e37c4b69fd5e2ac5ce376c9df03b0cf511f3
Status:
Included and unchanged
Block:
#4,811 1,202 blocks after it
Position in block:
Transaction 80 of 217
Award day:
May 27, 2022 (4 yrs 5 mo ago)
From:
Value:
₱86,127.70
Project:
Construction Project
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 #4,811 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)CITY OF LIGAO, ALBAY awarded it to ANPRE CONSTRUCTION AND SUPPLY, CO. on 2022-05-27.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 City of Ligao 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 6821c8e381…f511f3now …
- 2. Block Merkle root changedstored 04952c7bf3…7c5c44now …
- 3. Block #4811 hash changedstored 7ff0e15186…972bffnow …
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 216 records. Each step hashes the current value together with the sibling shown.
- leaf 6821c8e3818d69c668d4daeb5040e37c4b69fd5e2ac5ce376c9df03b0cf511f3
- 01 R 6888d78f3541cba0bec39c5671cb0db6fb1d7f51b416eeb5ec04222ba1e34a5b
- 02 R b1f17bc67cf7b88f0ac1ab847e9bbf39c26dc81167afb477cd84c1ea989e1652
- 03 R 1626e5224253201d615ccb6d7f58ee76db209fe0189075558c6d07ddf22321c4
- 04 R 52653361209c6b052c249133d59e5c5e4fa57907440fceef0923e7ed41dc6a6a
- 05 L 62a61fbe0037c982a1608d9487e4034aed98273f7e896ecb9d61a42132a81318
- 06 R 9ee26fdb4dc220c3a9a20e9566504fe9a5dbb5fb74a541a6afba081b77dbf79d
- 07 L 87892862ada9b9644d9c0d1a21e4e6697f10a3a784a150650c35c295774afbd6
- 08 R 1b11dcf289cf66badbd0a89ebc34e4c3cc8e2caf10c9b3ebce0c91a7f952ec19
- root 04952c7bf3d23df8e15b16dcb146a26b465d15119a1704478f64fb93f57c5c44