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
CITY OF ILOILO Award a ₱1.1M contract to OTING CONSTRUCTION AND SUPPLYCities
Transaction hash:
511fe9efd628c4e95a867fbf346bec0e314862f3501aca7e3890d341096bdf08
Status:
Included and unchanged
Block:
#1,487 4,526 blocks after it
Position in block:
Transaction 22 of 80
Award day:
Jun 22, 2012 (14 yrs 4 mo ago)
From:
Value:
₱1,098,995.97
Project:
INVITATION TO BID - Construction/Widening/Concreting/Asphalt Overlay of Roads at Brgy. Tap-oc, Molo, Iloilo City (BID NO. 0307)
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 #1,487 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)CITY OF ILOILO awarded it to OTING CONSTRUCTION AND SUPPLY on 2012-06-22.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 City of Iloilo gave a "unmodified" 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 511fe9efd6…6bdf08now …
- 2. Block Merkle root changedstored a1b03db284…50eb41now …
- 3. Block #1487 hash changedstored 256829ad0f…213255now …
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 79 records. Each step hashes the current value together with the sibling shown.
- leaf 511fe9efd628c4e95a867fbf346bec0e314862f3501aca7e3890d341096bdf08
- 01 R 54188cb769f622d6bf375262a89ffa2eb7027dad3601a06b9481c23e22cfd458
- 02 L acaae7086ea5a70973db6904a6c9dd53c3c79d0c9158d2369fcfb79fbbe127b5
- 03 L 5f22afe2a7f5e2c6dfa9a4415b66b10d51f7561bf121f5efe813cdddc601e12f
- 04 R cfbb02dbe94f3703fc0a4d1fe923891ce16ac6f815dfbe1196d98e3328ef3d6e
- 05 L 75b7f55393d18a6d829a4af572a2cd4594664dc7a1b077ece70fbe3e2fbcd39f
- 06 R 725a6b0a4ceb17596c514aca7f3f0f30a2df3015e4ce69e6aa70ea6dd2b75c3e
- 07 R df1c158e702e90ba52d3406f837954c0fc765090e7225739f9428d22fc1ec4b2
- root a1b03db2842a1c907cb8e4b629c4cffc6d0a7307f29a014040e307b41650eb41