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 TABINA, ZAMBOANGA DEL SUR Award a ₱1.7M contract to OPTIMA BUILDERS CORPORATIONMunicipalities
Transaction hash:
bd6eea533b35b4f8b511a1123981672c2812be5514da4025a0f47f1104efda44
Status:
Included and unchanged
Block:
#3,002 3,011 blocks after it
Position in block:
Transaction 202 of 268
Award day:
Feb 27, 2017 (9 yrs 8 mo ago)
Value:
₱1,708,385.20
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 #3,002 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 TABINA, ZAMBOANGA DEL SUR awarded it to OPTIMA BUILDERS CORPORATION on 2017-02-27.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 Tabina 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 bd6eea533b…efda44now …
- 2. Block Merkle root changedstored f5e1b8d6d6…c53a21now …
- 3. Block #3002 hash changedstored b9f35c460a…e91242now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 267 records. Each step hashes the current value together with the sibling shown.
- leaf bd6eea533b35b4f8b511a1123981672c2812be5514da4025a0f47f1104efda44
- 01 R bd8a571609d71b3b5e30f8bfd6093165959c8821972dfc522472b63d206b624c
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- 03 R bafacb97135b23f7bd5830be35e58ccbffd7c7059764e674dd6fcd9f7f740628
- 04 L ddaf1638d1f2c83750e2318c9440dee1c90fc51f0994ca6e239d2eea352b97fe
- 05 R 65afb935e406b666078cfe84da6124d0614b35cea6fc140b5c1231489ddd2d6e
- 06 R 02508d851adaeac796fa4cf62770546d3f26db2e6d144ed7faae7a11b7467a4f
- 07 L 9c996af9063822da4bb83fecccad6b85a034ddc9e21552037dcef28a74305ec4
- 08 L 3c6df16595d411ea8cc4689cb97547b1e8eff681c1814e6d7851d9522250615f
- 09 R 83b61ce8e5a8021574bd3be17415baeb7479dfa8e1c72ef9a4ef5b22c96bf965
- root f5e1b8d6d653f7a22e9a41b80606cd916d1032fa1f8752e3f18cefab85c53a21