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
PROVINCE OF ZAMBOANGA DEL NORTE Award a ₱5.8M contract to SILLIMAN AVENUE CONSTRUCTION & SUPPLYProvinces
Transaction hash:
01694e2b2a4185d6ddcb128d5fb3f2e83c1cd67d52fcbbff1d1b027c9b0d9e20
Status:
Included and unchanged
Block:
#5,033 980 blocks after it
Position in block:
Transaction 0 of 111
Award day:
Jan 11, 2023 (3 yrs 10 mo ago)
Value:
₱5,750,766.60
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 #5,033 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)PROVINCE OF ZAMBOANGA DEL NORTE awarded it to SILLIMAN AVENUE CONSTRUCTION & SUPPLY on 2023-01-11.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 Zamboanga del Norte 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 01694e2b2a…0d9e20now …
- 2. Block Merkle root changedstored 95b17bbe35…340345now …
- 3. Block #5033 hash changedstored df61f0abf2…5f0258now …
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 110 records. Each step hashes the current value together with the sibling shown.
- leaf 01694e2b2a4185d6ddcb128d5fb3f2e83c1cd67d52fcbbff1d1b027c9b0d9e20
- 01 R 02a838a5f8a3fe1b32fe3b39f64816842926c4c2613ddd11fb2e94480379c79c
- 02 R 7f9299901723fec833324632a15ef8a5123f778cae43b70c024e11c3aa7e4e54
- 03 R f5d455c8d03692e532154f56fa30675bdb36a6d77b2625cac51ab491aafb16a3
- 04 R 6da0406770cf4f4b5f2129a97fb12fb4e910f80ccabba2049c31f5a3bf164741
- 05 R b20afd749638f1733f5c5a1fd825965892a97d9ff638396daf0b93554fe86267
- 06 R efa18469f9a60c2f441ef55c6185d6ad7061b494da20684f926845f16236042d
- 07 R ca9c7386a744a4edd77d53f3350d6bffacf0565be41d524fc79ffecc30405f72
- root 95b17bbe35a9095f5ecdf4700932fb3a6d2388ed6687858cc14bb0d175340345