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 ₱945.8K contract to MCGABRIEL CONSTRUCTIONCities
Transaction hash:
b115256a9f5ec00604ad2eb00742ac9621a59110211e774b210d94b1bd0ba355
Status:
Included and unchanged
Block:
#652 5,361 blocks after it
Position in block:
Transaction 21 of 30
Award day:
Jul 29, 2009 (17 yrs 3 mo ago)
Value:
₱945,775.58
Project:
Concreting of Road at Justina Village, Putik
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 #652 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 MCGABRIEL CONSTRUCTION on 2009-07-29.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 b115256a9f…0ba355now …
- 2. Block Merkle root changedstored 0bc7e89c51…e0ea66now …
- 3. Block #652 hash changedstored b0963846ed…598c02now …
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 b115256a9f5ec00604ad2eb00742ac9621a59110211e774b210d94b1bd0ba355
- 01 L 9067b04dedcc2254180b31a9482c4e15911e75f3558a10763c3eec1809de311a
- 02 R 3a4444ab5341909f4a79e444e41bc6dd551941abcf8d13d8ea7ddff41e6ab530
- 03 L c3df8bf7ecbf5c093d114b2d29fe86ec1a03ce44ce6d154a09e6fa127d219772
- 04 R 11a0abec3e84df147d34eff42497554cb6be8ecb1c99372c5dde7686634fea8f
- 05 L 3c6dd11e97d8912bf1722cf49ced837264eac9fdc0fe2ae1ac132a1656a0c5ac
- root 0bc7e89c51ddf666fa476ca9e1cefa44b7af71708e2560a6c2e9a35d7fe0ea66