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 ₱1.5M contract to NLL CONSTRUCTIONCities
Transaction hash:
8e082495cced2aa27b1ebc22257c4a4e71e2a4d32670e1ecc4c7c37e13df654b
Status:
Included and unchanged
Block:
#2,065 3,948 blocks after it
Position in block:
Transaction 33 of 77
Award day:
May 2, 2014 (12 yrs 6 mo ago)
Value:
₱1,497,111.84
Project:
Rehabilitation/Improvement of Two (2) Storey Six
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 #2,065 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 2014-05-02.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 8e082495cc…df654bnow …
- 2. Block Merkle root changedstored 034c56d72a…fb32f2now …
- 3. Block #2065 hash changedstored 52c407650a…f6ede3now …
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 76 records. Each step hashes the current value together with the sibling shown.
- leaf 8e082495cced2aa27b1ebc22257c4a4e71e2a4d32670e1ecc4c7c37e13df654b
- 01 L 888aba07a94e038c04f249be7c92a0135a9d359d50d29e65100930e9ddb8595f
- 02 R 3233c8bf1adf833ecf618e2f9fc94484b19a6421de4b8c9aec7c98729d34042c
- 03 R e9283e5571c457c87bc6eee14cf9f4bd71b165a077decb813ef4271f06ed26c5
- 04 R f02021825b7d617bf783a6e2239e46ab7f31046930c159446da8a98df217b2d4
- 05 R 762156fa1d0b9099ed1e982e1d2724206b7255f7b019a884bf6ef9f4d0c7cab7
- 06 L 0d1c8183d93c79dd205d24cad75228f55d5b7c8f3c49b1f2a49fe8477912a174
- 07 R 726159de2b663b6830237f272b048915387ed6ad06669c494f3556837b82ba17
- root 034c56d72a7cd05fa2d85ebf54de0bbaab467e8c11c19e46ad5dc91da2fb32f2