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
PROVINCE OF COTABATO Award a ₱5.0M contract to J-1 BUILDERS CORPORATIONProvinces
Transaction hash:
4aef59d12f5bb88f75fc620e988cf94346631e1824195b1aa3efb2521e138fc7
Status:
Included and unchanged
Block:
#4,667 1,346 blocks after it
Position in block:
Transaction 53 of 194
Award day:
Dec 22, 2021 (4 yrs 10 mo ago)
From:
Value:
₱4,998,959.20
Project:
PB INFRA 21-146
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 #4,667 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)PROVINCE OF COTABATO awarded it to J-1 BUILDERS CORPORATION on 2021-12-22.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 Cotabato 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 4aef59d12f…138fc7now …
- 2. Block Merkle root changedstored b312024b32…365c44now …
- 3. Block #4667 hash changedstored 419ceb39da…b4b8a5now …
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 193 records. Each step hashes the current value together with the sibling shown.
- leaf 4aef59d12f5bb88f75fc620e988cf94346631e1824195b1aa3efb2521e138fc7
- 01 L 497b33f8a8dcffce9646a48879b8eb66dc32a3f9062305501839c51ca73a5c4d
- 02 R 6dc02483dbbcb5b5afcd9f2a1e3725ae41f4e8f97d3ed5cba0d7b0602dc643f7
- 03 L 9d583ea3ca9d14cda6af9f8ca82331db1e512e18720965588dea66b382f717b3
- 04 R 109742ad03e0f76fc2f8a10909a1d69e389145916c8a2d8d62d7ebfc980e9b5a
- 05 L 7d5580a7d06e0be2749d65b73d2ddd49fec9091a56570898635102546affff2a
- 06 L ea3cdbff77887c955016b26eced0e99cecf2fef1edf7b58624c54fef0a02ac84
- 07 R 69b7ebc074f402aba9f2065588fe3cd84a63c42310b600b5cc3e1f0b27e9cb16
- 08 R 210713e743ddc9ff12d74aaad8c324889e201a07c6b37812fc51fbcaaf689c53
- root b312024b32c2c2a573c43c08c1e280d7a8cf6b24c7b35e3c8ea1234d20365c44