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 OTON, ILOILO Award a ₱294.7K contract to CAMCU CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
46ab4ff0c2dacbfff4b626c8d03e17de989feac4ef6656c71f5a305d9a0450ed
Status:
Included and unchanged
Block:
#1,136 4,877 blocks after it
Position in block:
Transaction 16 of 37
Award day:
May 5, 2011 (15 yrs 6 mo ago)
Value:
₱294,678.72
Project:
IMPROVEMENT OF MULTI-PURPOSE GYM
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 #1,136 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 OTON, ILOILO awarded it to CAMCU CONSTRUCTION AND SUPPLIES on 2011-05-05.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 Oton 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 46ab4ff0c2…0450ednow …
- 2. Block Merkle root changedstored 53c7902f94…c36d9fnow …
- 3. Block #1136 hash changedstored bcc25ca4cd…d8ef57now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 36 records. Each step hashes the current value together with the sibling shown.
- leaf 46ab4ff0c2dacbfff4b626c8d03e17de989feac4ef6656c71f5a305d9a0450ed
- 01 R 4afc68794b32d7e03babcc6ef9119439bd9820bfd15d6d6a64735b84862d7740
- 02 R d64bce5d6ff598c5c639dbac69b4012778f7b0a54a81858e8a214a6b93dad37a
- 03 R 89ddb9a493670c9c7d9bdc0d1da7701a9bbe0cbd9a0b49a5f179fa9a5621a00f
- 04 R e36cdc2e0688ad77ff5c01629c53c10eff487d0a3549e58297a9891d5250dc6c
- 05 L c9fa19a0f8f913c52bc200562b4a5d76f154ae5ec559f2b3964aa8bd461195b4
- 06 R 3c146e2466ca56809af8f2b1e8fba1491081c0074df6495e222717fd2ccea882
- root 53c7902f944679483d0f4036b13f6cf45035211343aeb31cafb494cfa3c36d9f