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 SANTA MARIA, ILOCOS SUR Award a ₱498.6K contract to AMBROCIO CONSTRUCTIONMunicipalities
Transaction hash:
f21eebc1c68a73c4e4eb9eed763a1b0142e1603b313d5657b9f1ed119e9e7838
Status:
Included and unchanged
Block:
#3,962 2,051 blocks after it
Position in block:
Transaction 223 of 231
Award day:
Dec 11, 2019 (6 yrs 11 mo ago)
Value:
₱498,627.10
Project:
Rehabilitation of Comfort Room(MUNICIPAL HALL))
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 #3,962 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 SANTA MARIA, ILOCOS SUR awarded it to AMBROCIO CONSTRUCTION on 2019-12-11.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 Santa Maria 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 f21eebc1c6…9e7838now …
- 2. Block Merkle root changedstored 86c5bcbea2…21e3dbnow …
- 3. Block #3962 hash changedstored d452d3effd…1b1a4enow …
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 230 records. Each step hashes the current value together with the sibling shown.
- leaf f21eebc1c68a73c4e4eb9eed763a1b0142e1603b313d5657b9f1ed119e9e7838
- 01 L f1c2a6e86da7558cb71cd520c5602a397d02b3c68e591642b47680a2447bdc9c
- 02 L bb48dec07171da1d46e5b633af279040073a49935b7ed3d78c9dc41b112ae392
- 03 L c27f118a45fab5b089ae0568056ea80bc405b643729c1d207f420ee15c85833f
- 04 L 46a0703d6adf6079a8917a551e87b0b4c8e01938027cdca5ef28f6b994ed21c2
- 05 L 6bb2514d65bea1986456d10d3e80c4b70842e4ef1008aef4bec2d2266ec84842
- 06 R 49c08c1c2ecd5484545214f2e97de90ef6b4f38b947a00cfe43ed523215fd961
- 07 L 15608be60600bfbe408560d74c36dd64ff12f3bf421fc71a162b4b5e15b59720
- 08 L 04ba439266c7598f79a2f175876b72318586ff05d8c0764bc2133a89775c9788
- root 86c5bcbea279d1abd717f8ac43883418b7ad62c6de06ae7a502691023c21e3db