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 SAN MIGUEL, BOHOL Award a ₱3.0M contract to A. A. DE VERA CONSTRUCTIONMunicipalities
Transaction hash:
7e4e53668448abc14dead571eef587ec9af6cf358526794875775cfd56a6c20f
Status:
Included and unchanged
Block:
#2,679 3,334 blocks after it
Position in block:
Transaction 236 of 513
Award day:
Mar 3, 2016 (10 yrs 8 mo ago)
Value:
₱2,993,106.54
Project:
Concreting
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 #2,679 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 SAN MIGUEL, BOHOL awarded it to A. A. DE VERA CONSTRUCTION on 2016-03-03.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 San Miguel 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 7e4e536684…a6c20fnow …
- 2. Block Merkle root changedstored dde4515473…1eba2bnow …
- 3. Block #2679 hash changedstored 3425032436…e83cdfnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 512 records. Each step hashes the current value together with the sibling shown.
- leaf 7e4e53668448abc14dead571eef587ec9af6cf358526794875775cfd56a6c20f
- 01 R 7e55186c95c8c5b76ab7aadf29c2fe48f88ca183636b796d4cd8b5ac291343e7
- 02 R bd30a86ab89115f38bec41945655aba053b2d72ec1e2637a42a70d238644f1e2
- 03 L 94faa8337d5dd1923a01016bf7b774ac6f7f009353ad4bc126f15bd456d98170
- 04 L aa244f43651e0c6baf44ae2fdcfd12813dd9e1eee2b5c3ce5a34d229b64de50b
- 05 R 625a4af0dcc9c7cef673a8a03e5818228b13be00f508bf52713009d6f0b6d704
- 06 L 8144e9968d37b6814c9ff1c7e247ed043ba719e993b75151f083d0b13c2ad904
- 07 L af682cca412ce2dd11c63aecf7fb18b3cd9b7201da5a1a3f07b939dd4f03d3ab
- 08 L 08ab7833b9f3f2599c32acd9135928b3b3f8d9174f650c6b329210e5afd7246c
- 09 R da6f6cfe83b1ca867bd3c91af033518453543816d647532533627c160b20ad55
- 10 R e94d73a7a490171ba9feec68d0c25fa50beffd6431e68fa2eaa82cd600be83c3
- root dde4515473f46f67d51f2bb9d91c1dc0a0a919b332c9cade83c6eae8971eba2b