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 TAYABAS, QUEZON Award a ₱897.1K contract to L.A. CLAMOR CONSTRUCTIONCities
Transaction hash:
5e60bf032dd70ab0dc6ced9eba9f17ed22fda4eb70c4da620e17e218e3dac25d
Status:
Included and unchanged
Block:
#2,021 3,992 blocks after it
Position in block:
Transaction 30 of 72
Award day:
Mar 11, 2014 (12 yrs 8 mo ago)
Value:
₱897,092.62
Project:
PROJECT NO. 013
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 #2,021 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 TAYABAS, QUEZON awarded it to L.A. CLAMOR CONSTRUCTION on 2014-03-11.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 Tayabas 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 5e60bf032d…dac25dnow …
- 2. Block Merkle root changedstored 5abf4f333d…baf228now …
- 3. Block #2021 hash changedstored b577e7e336…dccdd6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.
- leaf 5e60bf032dd70ab0dc6ced9eba9f17ed22fda4eb70c4da620e17e218e3dac25d
- 01 R 5fa6558e8c2e96f3c4dd439060e366059cf120ee829aeff408ed23f2dbf0dc04
- 02 L 8b1a4251c003059a12123cc8ff2dc2292be2643d907f6f31ca61495160ec6655
- 03 L e58995d8d2c5237c48ae38b12cfcd5cdd28655bbdf55af218f7db81c8144bdaa
- 04 L dfeaade11b5eb45c8c5511e91ef36ef42ab6d32f518fb8a230521d6df9bd6509
- 05 L e44bee9cccf2192f15e6cab1cc17b1ffe4184995c480d8b8a31d0e35939de10d
- 06 R 4ade4caa65f2f3ede007a0ecc509c0ba46c64899e0b5ec9f9a54e8348b63cee3
- 07 R a244968499cc8c5bf6d2679a80ed25f30e0bd739dc3c1a899c5bd6693a661789
- root 5abf4f333de0c20412b3f220c6e45462ba46f6af10f758742aabcd76a6baf228