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 QUEZON Award a ₱1.3M contract to CENTIARE CONSTRUCTION AND TRADING CORPORATIONCities
Transaction hash:
8c06fbfa8eb656a462d02a1f72e29bd8bd51bd6bf7987e7695474526717c85c0
Status:
Included and unchanged
Block:
#2,244 3,769 blocks after it
Position in block:
Transaction 112 of 198
Award day:
Nov 17, 2014 (11 yrs 11 mo ago)
From:
Value:
₱1,321,424.87
Project:
14-14010
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 #2,244 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 QUEZON awarded it to CENTIARE CONSTRUCTION AND TRADING CORPORATION on 2014-11-17.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 Quezon City gave a "unmodified" 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 8c06fbfa8e…7c85c0now …
- 2. Block Merkle root changedstored 511c7f43b9…49901anow …
- 3. Block #2244 hash changedstored d1122e462a…511671now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 197 records. Each step hashes the current value together with the sibling shown.
- leaf 8c06fbfa8eb656a462d02a1f72e29bd8bd51bd6bf7987e7695474526717c85c0
- 01 R 8e42f70d610413ce8becb8ed5c2ba87893fc0f9204b53e505d5f8c073b09ebbb
- 02 R 5d235286032dacdbecd3abb1835aa400e848f9e3740a4c4c893cef94c969c53b
- 03 R 430f68b74fbd205205e379bfbd8fdda51d507e11353c15bcc32d4ec7c6ca1105
- 04 R 978d98c63084b55d52dc696e21a72c9e7f4ea8987949e0aadb2d0b997918ac1b
- 05 L 975174ca0919d2efa7ffe4e22a04cc94723eaf86cd51d54f39b4da2d4062dbb1
- 06 L 8b4365d1684800955b5ef6a67f3b36c226eca0e87f7079b974a9ce5ecee6c6fc
- 07 L ad0f68c7a9e8bd9a15b756a12f64adac5af16e2fb9fb1eafa4302320b359cb62
- 08 R eaac287eaf88a5b3993e0ec1b26191df7a96f6cb0cad4f268e3a1d36a9a060f8
- root 511c7f43b9455d67d64c60842209ad96c2430e0af263c158b19f1c2e2349901a