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 POLANGUI, ALBAY Award a ₱596.8K contract to MBC BUILDERS AND SUPPLYMunicipalities
Transaction hash:
6725d905ff33758b5e4e4b75ba0ef7da756cae434c3814046d1f3f625ac17520
Status:
Included and unchanged
Block:
#1,235 4,778 blocks after it
Position in block:
Transaction 28 of 77
Award day:
Sep 5, 2011 (15 yrs 2 mo ago)
Value:
₱596,766.84
Project:
Concreting of Pavement at Sugcad Subdivision - Polangui, Albay
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 #1,235 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 POLANGUI, ALBAY awarded it to MBC BUILDERS AND SUPPLY on 2011-09-05.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 Polangui gave a "unmodified" 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 6725d905ff…c17520now …
- 2. Block Merkle root changedstored 04aaecba60…a6eda1now …
- 3. Block #1235 hash changedstored e726bfbbad…6fdd4fnow …
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 76 records. Each step hashes the current value together with the sibling shown.
- leaf 6725d905ff33758b5e4e4b75ba0ef7da756cae434c3814046d1f3f625ac17520
- 01 R 682ec92a7b8fc688f5d45a7ab4b8bc6605f2805fe7504b7a03f782a1aab0fcb2
- 02 R e072718031f12552ecc9fb501e2756c3dbed3484cf409b0d9d9b13674630637a
- 03 L 375c3c5673a65f6a8d46abd1366575e21e634c21eab4b8e9875aca383ac47e99
- 04 L b8a5fe819c609a9a966593218e100fa905b1aa102578ae0d14bd8878a2f72a31
- 05 L 35640f2adbd3ddceee058b82e0a5abb1772dd6e3dabe89673253faa426599d4a
- 06 R d0afd95cc4a19b3689219aefe11dd2abb2bdd08be3737b27721d0a0e3a4cb8df
- 07 R 3986a544ae3e6c62aeefc71d44c8e9ced6e016e20e41f6a2936e515195a8ec40
- root 04aaecba608975b32e96176e799ebc9b8679249d9f12e5e85b9e00bd7da6eda1