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 ₱3.7M contract to STEEL-RICH CONSTRUCTIONCities
Transaction hash:
b8fd08513ea2e6b3f8b9dd86be6073298facab3bbe8741b35fa0e5a9c5c263c0
Status:
Included and unchanged
Block:
#688 5,325 blocks after it
Position in block:
Transaction 32 of 51
Award day:
Sep 15, 2009 (17 yrs 1 mo ago)
Value:
₱3,717,907.18
Project:
Slope Protection / Construction of Artesian Well / Waiting Shed / Improvement of Stage (Cluster)
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 #688 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 STEEL-RICH CONSTRUCTION on 2009-09-15.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 b8fd08513e…c263c0now …
- 2. Block Merkle root changedstored 40bc141693…641ca6now …
- 3. Block #688 hash changedstored 02059ea6fc…80293anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 50 records. Each step hashes the current value together with the sibling shown.
- leaf b8fd08513ea2e6b3f8b9dd86be6073298facab3bbe8741b35fa0e5a9c5c263c0
- 01 R ba870dcc440d9c11c03df418dddaaed76706e178708bf824842da114bebfd2d7
- 02 R 47de4eb6d5d0d565d6c148d8a2907da79e38d9aa0b0ff845dd5ddf54612059f9
- 03 R ab4558d3a2640b21844cbd85261a313a54a1586f2f9bcc7f10fc6deb3c3ff918
- 04 R 1ab1c554af94516669f2fe16343a3245d56dda316eeca2619d8ac7d6c96f027a
- 05 R 8b7acf62800385f99b15eb80befff85f4646e5838e778fd64ce8e3dee518bde3
- 06 L 60c35ddaaf360bfcf0bcbc4c044026581685833b9a5443c6cfc6b881d6ac8c5e
- root 40bc141693564c2ea2ca5b945a600b636d0114736db31a08fb58ea6d22641ca6