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 MALABON Award a ₱3.2M contract to JAC BUILDERS CORPORATIONCities
Transaction hash:
a08b30a223e28daba0f7ffb7b5b30c0e995f4c52c3d3eec1ebc637f9bf0318be
Status:
Included and unchanged
Block:
#3,705 2,308 blocks after it
Position in block:
Transaction 226 of 343
Award day:
Mar 12, 2019 (7 yrs 8 mo ago)
From:
Value:
₱3,172,621.00
Project:
CONSTRUCTION PROJECT
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 #3,705 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 MALABON awarded it to JAC BUILDERS CORPORATION on 2019-03-12.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 Malabon 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 a08b30a223…0318benow …
- 2. Block Merkle root changedstored 309cae6466…cdaf14now …
- 3. Block #3705 hash changedstored 32142fa092…8fd59fnow …
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 342 records. Each step hashes the current value together with the sibling shown.
- leaf a08b30a223e28daba0f7ffb7b5b30c0e995f4c52c3d3eec1ebc637f9bf0318be
- 01 R a25389c075a6e6e8fb780ed60c45dbf26e164b06762fe6a915c7ea775b848b8a
- 02 L 1ea4cf7d253006d0eadae18673bc6529011b3ed881bda5eec7fb0524b7ac8759
- 03 R 8ca36f654dacc4e847b71e2b509202cfa11512bc63befc3751f920c2612be2ab
- 04 R 0ddaa497c4c2cf7f7bb182c7884f6d3115c4d0570c2a10cf4cd0cd458de714d6
- 05 R 32c705f5dbc2f26c39e57f890d42e939d598ec369ed9165ed7b8c516ec8ccc2b
- 06 L f1e0eae135866b5165c3d5e83984405f98d36b74e8efb7a5faf27954b92ffdc1
- 07 L c5395e0b56b1e02167f4ff661a70d68ce00ca733d6644f79d35c143c8187e7e6
- 08 L 1cd5bb3f8b35729d87241e9afc9c33214c674b2c8f06f4aacf5757f67c1e6962
- 09 R 00412f45565f1003cc502f7c78b8ba2219118bac022198aef3027ffaea1143bc
- root 309cae646647ebdbb08e3d161a245e41275c2cd0b5e4d82813c6f7777acdaf14