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 VINTAR, ILOCOS NORTE Award a ₱998.6K contract to MAR-MAC CONSTRUCTIONMunicipalities
Transaction hash:
f1dfc8a49f3188c3aa986e3e7edd088e26d6c284971d2859dea91528ec651946
Status:
Included and unchanged
Block:
#1,426 4,587 blocks after it
Position in block:
Transaction 94 of 98
Award day:
Apr 11, 2012 (14 yrs 7 mo ago)
Value:
₱998,584.83
Project:
Concrete Paving of Farm-to-Market Roads (Sagpat & Dimamaga)
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 #1,426 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 VINTAR, ILOCOS NORTE awarded it to MAR-MAC CONSTRUCTION on 2012-04-11.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 Vintar 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 f1dfc8a49f…651946now …
- 2. Block Merkle root changedstored d9779c906c…3c2da3now …
- 3. Block #1426 hash changedstored 551197b187…8d763fnow …
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 97 records. Each step hashes the current value together with the sibling shown.
- leaf f1dfc8a49f3188c3aa986e3e7edd088e26d6c284971d2859dea91528ec651946
- 01 R f1e373dea5324d2985606a07f0707bd1588a8cbc13ea9f31be23a087ec00561d
- 02 L 43d6b0ef9b58b655e40b70a75c401865fa1fcd370136b20bc60a9d97167c46cd
- 03 L fb1b6b072d4e5e63c456e5876ecf91d8a2ad8f5c7d3241cbc346c7c019873c28
- 04 L 726e5277a765eec1cc50fb93371a27ba213582dc24e7453eb1de8f79ba42072a
- 05 L 8b28570d4b8755a57373b82e05f96478ffa223169a3e14170007de9772d1f1ce
- 06 R b0c1dfacad08162415ddbb2e6bd4465f9be2fb5b55c9cdc88a43c7da02390eec
- 07 L aadb16bddce7574f16656267361f2125e9fab441b42eebdc0e496e14e1623f81
- root d9779c906c8abc5fecbd4bc5b09236bff844d7a7d4982d8dcceec3e6143c2da3