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 DAVAO, DAVAO DEL SUR Award a ₱898.6K contract to CJEP BUILDERS AND ENGINEERING SERVICESCities
Transaction hash:
00337932c28fa2d61c76957ed1f905f5c1fd0b7e57d60bd471922368eaa9709b
Status:
Included and unchanged
Block:
#4,732 1,281 blocks after it
Position in block:
Transaction 0 of 779
Award day:
Feb 28, 2022 (4 yrs 8 mo ago)
Value:
₱898,600.70
Project:
Infrastructure SVP 02-2022-03
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 #4,732 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 DAVAO, DAVAO DEL SUR awarded it to CJEP BUILDERS AND ENGINEERING SERVICES on 2022-02-28.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 Davao 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 00337932c2…a9709bnow …
- 2. Block Merkle root changedstored ce8e4b8110…b7ebf2now …
- 3. Block #4732 hash changedstored 28f7124a8b…564f76now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 778 records. Each step hashes the current value together with the sibling shown.
- leaf 00337932c28fa2d61c76957ed1f905f5c1fd0b7e57d60bd471922368eaa9709b
- 01 R 007383c74adc1dbe7a9e86ac1b3c802a1b6890f817461929eef6c172e78c34e9
- 02 R e7fc96033486b12d6e2f83b41a78946b10f245d759583523dab5e9ed56e0a541
- 03 R 9af87a3f11c6c3fc3a052782a94d1c154f1ddc9b499b3be507635d0175e4bc23
- 04 R 5bf32e34b54a15e0b8065b891d06e02e56f5e0547e30f2ecb8f208a15965db9e
- 05 R 97fd41942c60c04fa5114c81a1a5a230d874df9fc5a1b76057270427478aa7df
- 06 R 0efe8a33e59257fef4473f2c39243befe26991022aa9c7c8b84ab72bb5511c4a
- 07 R b30870415941d35209242d35fc781fba8a82080040bf371f98c2ba7efcf46547
- 08 R aba12054bbe182fcd39b9788951f78c5be540f9986025f3cbaf3149706a951e6
- 09 R 0c23db70700c270fcd6153839245b84c1bc7998b5885f1faf294fbe61e666017
- 10 R 9bc4b0a05d86183562b62b8d97ad72a9b5a2af30ab1da3f6862201fcdfe8206a
- root ce8e4b81100e1f66fc55a85950567b2ca44a3ac15dfa577fbdaab22d8db7ebf2