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 DAPITAN Award a ₱5.0M contract to SILLIMAN AVENUE CONSTRUCTION & SUPPLYCities
Transaction hash:
f7f7a7da7d09efc3be3fea977598d71cd07f87c31627999ab939fe6905395ec4
Status:
Included and unchanged
Block:
#3,863 2,150 blocks after it
Position in block:
Transaction 366 of 372
Award day:
Aug 30, 2019 (7 yrs 2 mo ago)
From:
Value:
₱4,959,367.08
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 #3,863 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 DAPITAN awarded it to SILLIMAN AVENUE CONSTRUCTION & SUPPLY on 2019-08-30.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 Dapitan 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 f7f7a7da7d…395ec4now …
- 2. Block Merkle root changedstored 92096fa6ef…5b0aa2now …
- 3. Block #3863 hash changedstored 36b3abf0fa…4191d7now …
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 371 records. Each step hashes the current value together with the sibling shown.
- leaf f7f7a7da7d09efc3be3fea977598d71cd07f87c31627999ab939fe6905395ec4
- 01 R f800763179d07389ca886576a83151d7270d897222bb3a364eee8fd374c115ff
- 02 L 565438ee69336fdbae140f520bc27398238c87d2ed7970f24602ea03be334b9a
- 03 L 47977c15913e45ae299bed3e30fd040b62730ad89fd1786948b749b9f8aa5422
- 04 L da95ee7790be3049d12448d0e0f4b38b0d3f9399803654c71f6c0bce52ade628
- 05 R 75668308f0ecf75dccacbf6086eac8c7bed3d617f41e262732efbb50ad95811e
- 06 L 348bacac2c3fe93a7e9e86793be1517bd406fd0e5e8708505188ec6d34f5a638
- 07 L 640a115c3da6145c6905aeead069044ffd3ebe024a2530cac4b342e1987a65cd
- 08 R b6383d4e42dd73344b2628afc4b6220e1834ad5818e3facb3828f1ccd34f3def
- 09 L 303e4fdd733e7309469c12838f9484cb01a306e3d12e374b48b390d99a90990c
- root 92096fa6ef476fa1543a56a4d3dbcbca9176fe890a0230acdfb5e784e45b0aa2