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 ALITAGTAG, BATANGAS Award a ₱18.3K contract to HEREFOLD BUILDERS & CONSTRUCTION SUPPLYMunicipalities
Transaction hash:
fed8417cdb5817cc36a1d502b41e141a08238bcefd38d39ce3c916ceed1dc78b
Status:
Included and unchanged
Block:
#2,622 3,391 blocks after it
Position in block:
Transaction 21 of 22
Award day:
Dec 31, 2015 (10 yrs 10 mo ago)
Value:
₱18,303.90
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 #2,622 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 ALITAGTAG, BATANGAS awarded it to HEREFOLD BUILDERS & CONSTRUCTION SUPPLY on 2015-12-31.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 Alitagtag 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 fed8417cdb…1dc78bnow …
- 2. Block Merkle root changedstored 209f3980ad…b84cfdnow …
- 3. Block #2622 hash changedstored eae15eaccb…6f5e11now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.
- leaf fed8417cdb5817cc36a1d502b41e141a08238bcefd38d39ce3c916ceed1dc78b
- 01 L f456cbce09646fab500b14cba20bc02004592b28c7cb4d2639ec1686533fe037
- 02 R 562f527f5f7590a8e4b45fad295e2288e73904c52e0055cd2df7a9822fd06c19
- 03 L a050abff809a6d2564a97b05f4f391e486637419d4e625a6da8e3849215d3931
- 04 R 76e7e7d344015705e0aaca3a8ab856e39216677b89b5885fc470036452276210
- 05 L a680da981cef2b1b2c62e85f446a40690600494c35323f603dfb3b1e2e6c2441
- root 209f3980ad3949c0f1b1d15ea979f39995ae4bed8fe3d61044bbf20323b84cfd