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 ₱438.0K contract to OTING CONSTRUCTION AND SUPPLYCities
Transaction hash:
b6f87cfff27120fdc4de347fc7439f4c182c7a6cc3760cfdcfc79da98d1c7ee8
Status:
Included and unchanged
Block:
#1,872 4,141 blocks after it
Position in block:
Transaction 83 of 122
Award day:
Sep 25, 2013 (13 yrs 1 mo ago)
From:
Value:
₱437,953.87
Project:
Civil Works
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 #1,872 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 2013-09-25.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 b6f87cfff2…1c7ee8now …
- 2. Block Merkle root changedstored 3b4bb6c960…edcf6bnow …
- 3. Block #1872 hash changedstored a499b4529a…ba8e10now …
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 121 records. Each step hashes the current value together with the sibling shown.
- leaf b6f87cfff27120fdc4de347fc7439f4c182c7a6cc3760cfdcfc79da98d1c7ee8
- 01 L b69d1256ae496874a550d4d120886b00d000215ef009ba90da30dcb401978a81
- 02 L eaf09f8d96922803660f885ec003e961d070cdd2bde99719f03c87a71471c74a
- 03 R bb423b0a11a1e0c2c5bf24ae1f60a76abccc6e737643af3bc66e2d17c7d61aee
- 04 R ea37c49acc3504e5baf57a3d1d9da7b42ed1dd1d721f1236a017aa6b711ab53c
- 05 L 84057458692fd5c3a72d01a0a9dd17e451dba4a7a4fb52be09a61e9db5ef40ff
- 06 R 90432371ee24481a3d196d56adbe93d784326e42077d53fe04c410c4c62bd1ed
- 07 L 5611f0e9b598ada25dbb30b45ad397d707bb7dbf141b4b51cde9ae544a3e834e
- root 3b4bb6c96072cac9c8b4dac23616b3364e1a84d9c1a4a57132b636a381edcf6b