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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱287.6K contract to REYSAN CONSTRUCTIONCities
Transaction hash:
e1c91ca63aec6befd92a032866ee724988d253e17ff228818376f9c5b714ae05
Status:
Included and unchanged
Block:
#1,022 4,991 blocks after it
Position in block:
Transaction 28 of 30
Award day:
Dec 9, 2010 (15 yrs 11 mo ago)
Value:
₱287,599.05
Project:
Construction of Multi-Purpose Pavement at Zone IV, Tumaga [Alternative Mode]
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 #1,022 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to REYSAN CONSTRUCTION on 2010-12-09.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 Zamboanga 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 e1c91ca63a…14ae05now …
- 2. Block Merkle root changedstored dd702cd756…79449dnow …
- 3. Block #1022 hash changedstored ba10c90f5c…e6eef6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.
- leaf e1c91ca63aec6befd92a032866ee724988d253e17ff228818376f9c5b714ae05
- 01 R ec3de7e1a23758ed4383c5ae640ff8dd92549d9ebba8079028332142a553923c
- 02 R 89d44e26a8d00b3bf0f549c948ecd3309c9343be0baa873fcdf08460c48a7fb4
- 03 L 1a5bfe3d14904189ddd1fb467e15db118c8629dece4ad6263534e05c0d800c9a
- 04 L f77d7f56ea35289bb3c28c458ae98ef95027c7a43990b473bf6bd45e164389bd
- 05 L 5104152d61166c3c62eb4b751da1f3dc3b5647c9c08c0e864bc9c097b53e4519
- root dd702cd7569a6dd924b5d91f85512edff129c58ad848f11bdcc7778ddb79449d