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 CALBIGA, SAMAR Award a ₱4.2M contract to A L F CONSTRUCTIONMunicipalities
Transaction hash:
b243f9be422769edee9a561f443b303edafac9ea4554d567284b3ff497416c9a
Status:
Included and unchanged
Block:
#4,919 1,094 blocks after it
Position in block:
Transaction 169 of 245
Award day:
Sep 16, 2022 (4 yrs 2 mo ago)
Value:
₱4,170,508.87
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 #4,919 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 CALBIGA, SAMAR awarded it to A L F CONSTRUCTION on 2022-09-16.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 Calbiga 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 b243f9be42…416c9anow …
- 2. Block Merkle root changedstored 3636584d85…134ceanow …
- 3. Block #4919 hash changedstored 0b35602249…616ef5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 244 records. Each step hashes the current value together with the sibling shown.
- leaf b243f9be422769edee9a561f443b303edafac9ea4554d567284b3ff497416c9a
- 01 L b20d62f468cc01dbeef3f77029294cda6947a8b37e735565f3569fbed8eaec89
- 02 R da2ad874b6f5a1ddb98eb02be41ce84d4c00839d041b983c9f2ac02eef1e5487
- 03 R 6e993e973602116222e5d4197611df3dc7ba2234af91b62f07858710ce54cca6
- 04 L 4560eba58e853b8a6d586d9a4acc528b8444bf0d51a6e7ea7ba34f3b09cd99cf
- 05 R 3f2d9031224297cfde92ea0fcdbb5861f60f7d33a1a333e55bba2b6c7b4d51e1
- 06 L b5247343ce163eb59bb28efa72f324730fa6d055bb4c1a6665dc5e7f0f735518
- 07 R af00bdc39bf92533b5c3a4e0ff3145ad33d36e8829ed6d9e2e06d95480737615
- 08 L 5f2333e79fe5c9a8f0d693616b5c7f0b462ebef3c9f9c064930361b6225e6d0e
- root 3636584d8513ac85e6d4c910b932889005ba0889bfb16ff3a905846845134cea