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
PROVINCE OF ANTIQUE Award a ₱2.9M contract to OVIVIR CONSTRUCTION SUPPLY AND ENGINEERING SERVICESProvinces
Transaction hash:
d98ebd2e8e2d856e403099c9335afda00243049b71ff36b8e8a63957cf79f47e
Status:
Included and unchanged
Block:
#5,852 161 blocks after it
Position in block:
Transaction 695 of 813
Award day:
May 16, 2025 (1 yr 5 mo ago)
From:
Value:
₱2,906,291.98
Project:
Construction Projects
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 #5,852 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)PROVINCE OF ANTIQUE awarded it to OVIVIR CONSTRUCTION SUPPLY AND ENGINEERING SERVICES on 2025-05-16.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 Antique 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 d98ebd2e8e…79f47enow …
- 2. Block Merkle root changedstored 74afd9f55e…db365fnow …
- 3. Block #5852 hash changedstored 8f6dedb2d4…9889f4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 812 records. Each step hashes the current value together with the sibling shown.
- leaf d98ebd2e8e2d856e403099c9335afda00243049b71ff36b8e8a63957cf79f47e
- 01 L d9725718b28372e37a4bf1a545f36ed929480aae4213578b63fb4320b5be3f20
- 02 L b9c5fef8c51b5876a38d192ea4661458d773372687a3de061990e74109817c6f
- 03 L f0df719aab61653bcbe0f3c5c440b3173efa213d2cdcbe666499738d0b40431d
- 04 R b69de27ee5912d29a83101f2df1961d85334447e43d3805801a96e77446274f6
- 05 L aa78f829e460b5526a99f064d852c9a18b695e3828bc1ec660a338664bc6349b
- 06 L ae27a37033a83118f9d6e1644e1d766b9c1e58beca2dc5ea590a34bb02797832
- 07 R b5ecc9517372ceaea2b38fc4edac9cebc4104cee58857c80906906e39444f544
- 08 L 4e9ace6056187eb8b00a6d53d371ac986b0790ada349602ba061fa9d7bcc7b86
- 09 R 444809b4c0adc97c6b87552d65395b90b39f8132d64044c21e1c751824bf297c
- 10 L 3d3e6381ae26cd440bc57ca73f2320c77222f4e672f408bdc7cf0a861febe4df
- root 74afd9f55e6b406bda7fdd4862162a45b6f181e58e420f64618663ab1edb365f