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 ₱500.0K contract to NLL CONSTRUCTIONCities
Transaction hash:
41569153ebe2cce69e06ca72c0cccf220eed65359ce8247563f700903e85074f
Status:
Included and unchanged
Block:
#4,291 1,722 blocks after it
Position in block:
Transaction 75 of 265
Award day:
Nov 26, 2020 (5 yrs 11 mo ago)
Value:
₱499,986.10
Project:
Concreting of Road at the Intersection of Veterans
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 #4,291 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 NLL CONSTRUCTION on 2020-11-26.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 41569153eb…85074fnow …
- 2. Block Merkle root changedstored 5ea83ba90d…7e957enow …
- 3. Block #4291 hash changedstored a4f923491c…ebd4c1now …
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 264 records. Each step hashes the current value together with the sibling shown.
- leaf 41569153ebe2cce69e06ca72c0cccf220eed65359ce8247563f700903e85074f
- 01 L 413be93b2d81c4ea4f39d8c8737b7b56e17d4e8e5981edf1e344d8c5991abb4e
- 02 L 96047a36728c38b5a5a595dc508b109b80a4075ac985ee92b110e96fe7a8f1e3
- 03 R 5c4440810e22c529b40d0d618d6536f085051635456ecdc6b78192c350a5648e
- 04 L 566f484bd34e23c17821a690d7a9bbd2bd3c815563b3c13e195ec5d9fb6ea2ba
- 05 R 71236d8a7bc8e1388d25c96bcc621ffe8064976bab4bbc046e751892a5624931
- 06 R 47c08a67ab94b68566486be2619975439962021c36999997ac2ff8b320c9368c
- 07 L 20c5a587d4a92db422ccf660987a4186536e5834391bba28927287e54e5fb14c
- 08 R ea3723d24e44ca4e4b30bd151c6df7d57bc0e99c8a8ab38e780194d6a8f519df
- 09 R b874997e5fea468d15c29bc9ffd35652006c0526812ea410b573fbec5e5b8a44
- root 5ea83ba90d794123568976076d6f006533ab101e79398cb7ee93a49bec7e957e