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 MAUBAN, QUEZON Award a ₱4.0M contract to N. Q. VILLAPANDO CONSTRUCTIONMunicipalities
Transaction hash:
ffe6ac038ec8ccab8cbcbb301e0bd11d4b07a4eb4446467716d6b44e76b8b83d
Status:
Included and unchanged
Block:
#4,582 1,431 blocks after it
Position in block:
Transaction 257 of 258
Award day:
Sep 28, 2021 (5 yrs 1 mo ago)
Value:
₱3,988,040.81
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 #4,582 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 MAUBAN, QUEZON awarded it to N. Q. VILLAPANDO CONSTRUCTION on 2021-09-28.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 Mauban 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 ffe6ac038e…b8b83dnow …
- 2. Block Merkle root changedstored e4315d618b…9d9301now …
- 3. Block #4582 hash changedstored 30019a0bb7…4590cdnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 257 records. Each step hashes the current value together with the sibling shown.
- leaf ffe6ac038ec8ccab8cbcbb301e0bd11d4b07a4eb4446467716d6b44e76b8b83d
- 01 L ffdf867d7b3efcff8c07107027ec89bcefed0d708d43a8a5463564eaaaac3c1c
- 02 R c44c2b25544ad49581b434e6f58ed723850548c095fecca03cf855677f0213ad
- 03 R 6435065e2b9e2a2019e3fb5979fdbb396027bd2ae535c7b9da7c7d800be68909
- 04 R 57e8eb646e8f01af2ba21c0da464a804c17bbdd88a7b5bcda4f18f89df77e909
- 05 R a4bbee1429105aaec4836c2b3881e46fc4a7cdf567e3a816bcca966611a01e5e
- 06 R 56bb1f13c66087f4f07fc4949eb3594272667bbf2269cac6382076aa8b8fbd03
- 07 R 75dbd4f7ca906841984ecffecf7ea51963e110cc6e5348f9ae8a77fc36a5620f
- 08 R 7008735542de1e67da57c8132235ab4d5744f9383fb3f293760ebced352bf1c1
- 09 L 61fb014032d404ab144a088a5e01d99234652420ef932a18c0a4a391ad965959
- root e4315d618bc91229f6c2d55d52f0f8a0dad2f76b6571c4caf730345f4f9d9301