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 TARLAC, TARLAC Award a ₱1.5M contract to F.A. ASPRER CONSTRUCTIONCities
Transaction hash:
902f8f2a5b2cf193f6ca09f6bea6971f1c60624104c1af7613bfbd4e6f8482b5
Status:
Included and unchanged
Block:
#3,077 2,936 blocks after it
Position in block:
Transaction 97 of 185
Award day:
May 16, 2017 (9 yrs 5 mo ago)
Value:
₱1,463,904.20
Project:
multi-Purpose hall
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 #3,077 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 TARLAC, TARLAC awarded it to F.A. ASPRER CONSTRUCTION on 2017-05-16.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 Tarlac 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 902f8f2a5b…8482b5now …
- 2. Block Merkle root changedstored 55252a09d1…482124now …
- 3. Block #3077 hash changedstored 3fde6faeb8…83f8b8now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf 902f8f2a5b2cf193f6ca09f6bea6971f1c60624104c1af7613bfbd4e6f8482b5
- 01 L 8f644c818a8d6eb69d19cde950e7d58bfd8e39f7039c778719be4c4a647505a9
- 02 R dad94ed61edc017b164cd517276020c48b4e7a27a0f9b075a24d888b281908c0
- 03 R fabf3187e1d3498ae7ba5a20f0f50d083c9b255fbe15fc56ca4ae10e85ddb924
- 04 R 88da2453d6cffc2d48b78471ff16940d7d7664766958ab8d1c132167a2adceb6
- 05 R 22c24cc5360bd5184d259036c8aadcfd7f3697612f3b58fa90f80bbc900d7361
- 06 L 4fd69a289d784ee8b42b8197d8eed901ce60dc2ba9b471d14a2827393ff3f458
- 07 L bf2f5ab4a53fb93dc20c5717ec12523ddbd363a063b366f747afd246a1b84b0c
- 08 R f110adc989e65642e7273421321c289c96d0f4ad3a8d04150979ca720df32d40
- root 55252a09d119e14074f2ae47d1733a16f994bb9cccde952534bdcf99a8482124