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 ₱797.2K contract to ZAMBOANGA ERECTORS & CONTRACTORS, INC.Cities
Transaction hash:
fcbfb3d2ca50e4239c5478d8c9d18d33a0ae2d6d0a21dce7743c681a91f66720
Status:
Included and unchanged
Block:
#756 5,257 blocks after it
Position in block:
Transaction 20 of 21
Award day:
Dec 14, 2009 (16 yrs 10 mo ago)
Value:
₱797,200.00
Project:
Improvement of Road at La Paz
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 #756 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 ZAMBOANGA ERECTORS & CONTRACTORS, INC. on 2009-12-14.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 fcbfb3d2ca…f66720now …
- 2. Block Merkle root changedstored f2785bb169…fcd240now …
- 3. Block #756 hash changedstored ae71d034f8…97ec6anow …
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 20 records. Each step hashes the current value together with the sibling shown.
- leaf fcbfb3d2ca50e4239c5478d8c9d18d33a0ae2d6d0a21dce7743c681a91f66720
- 01 R fcbfb3d2ca50e4239c5478d8c9d18d33a0ae2d6d0a21dce7743c681a91f66720
- 02 R 56d289ced93bc2eb4ac889a885ea621b778f3fbf2021747a19db7dcbc32136e7
- 03 L 75f46c648473d4541bd50c54ab47814c3af39a8f6e746bd65a90aca72b1383fe
- 04 R 93dd0c7f71f49d1ac2fba23f3299e9cf6dcaa960cf966504a369157b37ca4c69
- 05 L b206c78c1a39dda3815d355d1f2949d970f798dfd2390d3b4751601abc309e11
- root f2785bb169739c5aef4afcd6e1660b202d6630b73edd3dab4d1485d04cfcd240