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 MINALABAC, CAMARINES SUR Award a ₱485.9K contract to R.D. MANDANAS CONSTRUCTIONMunicipalities
Transaction hash:
e64f3fbeeddf6a4c5b0460cace8e40be4cb9aeee4623b06dd7a7c4d6462dce62
Status:
Included and unchanged
Block:
#1,408 4,605 blocks after it
Position in block:
Transaction 42 of 49
Award day:
Mar 22, 2012 (14 yrs 7 mo ago)
Value:
₱485,868.07
Project:
Repair/Rehab. of Timbang to Baliuag Nuevo Road Section
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 #1,408 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 MINALABAC, CAMARINES SUR awarded it to R.D. MANDANAS CONSTRUCTION on 2012-03-22.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 Minalabac 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 e64f3fbeed…2dce62now …
- 2. Block Merkle root changedstored 3c198d3d34…82b4c0now …
- 3. Block #1408 hash changedstored 07cb86a5fa…f0a594now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.
- leaf e64f3fbeeddf6a4c5b0460cace8e40be4cb9aeee4623b06dd7a7c4d6462dce62
- 01 R ed7f35e944ab26e78cfb0a4e84dcd98e7ccfcad5348e852e14aa161832792677
- 02 L 34a60019094b1ce1762673ca725a946873f0d99e69b44e60bfe3f6f25681b29c
- 03 R 0a8cacd456b3cb4799b3b8abfb2183fe467511bbd069cb7869d59f933d5d4030
- 04 L a627a0d5cbb588c8e6d7ea6991f91523fec58082866cfe13867c65ad717804e5
- 05 R 0f986f07424fce8566690113e4d199ea9036097a0f6da37c0c6fd550cd9d4a61
- 06 L 1f3dfa5f4c01f33b583df2c23220ebb8aaa216914f1282f57998c47fafefea18
- root 3c198d3d34cb36a1b5810c23221bb6e2f1a9892f09deff0a6e29514f1382b4c0