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 ₱680.0K contract to NLL CONSTRUCTIONCities
Transaction hash:
6f7de56f44e166e329cde2f62b6f98311f79f2af30b3604795c000f4c8cab1d5
Status:
Included and unchanged
Block:
#1,923 4,090 blocks after it
Position in block:
Transaction 52 of 128
Award day:
Nov 21, 2013 (12 yrs 11 mo ago)
Value:
₱680,033.24
Project:
Rehabilitation of Footbrdige / Construction of Co
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 #1,923 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 2013-11-21.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 6f7de56f44…cab1d5now …
- 2. Block Merkle root changedstored b16869f7e4…42e0a0now …
- 3. Block #1923 hash changedstored 201fef133a…a6f0a4now …
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 127 records. Each step hashes the current value together with the sibling shown.
- leaf 6f7de56f44e166e329cde2f62b6f98311f79f2af30b3604795c000f4c8cab1d5
- 01 R 70e90f3be4711cc6f63b17fc17a2e6b2a221aa675c2a5c0c3f6da40bc49ad649
- 02 R d81fecca41a5f3256fa431c95a05c0fd0b8aa36af0313ae27a149d3f42e2cb4b
- 03 L c41120233fd41d922dfc13f3847901dfbca29789449c08ffb6d757a1fbf98885
- 04 R 100497d54c16627f547bc9b5a842c2bf704924d5cdb14d1405ff3e0758e529b3
- 05 L c5fb7b910008c9d54f026bb450ce73ca51e742367cb758aec37f1dba74fd9372
- 06 L 5ba0a2afb154cfd83e78332af34a7caedd5200cf74afdb35fd170e751e5a8745
- 07 R 68f64fe9ac1a7731ccff1643d11f3b8f1b52f1e55435b97f37a2407b45da149c
- root b16869f7e424cb5fe43e195828e5ffb168aba9c73a763a17cb54abd25342e0a0