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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII Award a ₱7.2M contract to TANGCA CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
874930ff3500ce9d8ffd8aec561a8dda4c08206ff63daf42d2f589beb7098187
Status:
Included and unchanged
Block:
#5,706 307 blocks after it
Position in block:
Transaction 159 of 298
Award day:
Dec 9, 2024 (1 yr 11 mo ago)
Value:
₱7,177,272.59
Project:
24M00127
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 #5,706 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)DPWH lists the funding source as "Regular Infra - GAA 2024 SSP", i.e. the FY2024 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII awarded it to TANGCA CONSTRUCTION CORPORATION on 2024-12-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24M00127: On-Going, 47.1% physical progress.Found
- 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)No COA finding linked to this contract.Not published
2 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 874930ff35…098187now …
- 2. Block Merkle root changedstored da1116bf3c…e16df0now …
- 3. Block #5706 hash changedstored 58e5115491…1d2859now …
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 297 records. Each step hashes the current value together with the sibling shown.
- leaf 874930ff3500ce9d8ffd8aec561a8dda4c08206ff63daf42d2f589beb7098187
- 01 L 86fb5ceea17331a515a8d553aebf6539cbe333b9cbaa8ce6277db5cd4c534dc6
- 02 L da077ad1e1e56e0997f976fef038be29f261417f5a72bbbbe0ea8c2bdde77190
- 03 L ee12e93f8e455fb5d0270babc643f071367e4837369a21427e76f0f3acaf584b
- 04 L eb328098dd9fc7cef54604bc00bbe22b4de4494abf0d030a1dd7379e3827cea2
- 05 L 1062cf2fe8851b372412d3ba919aabf16a8a18be0752ed42cd851f93233f0b5d
- 06 R 3d86646b5e1a6c878f109ed0f8edb2274014fc3c3768e1b83aed1016e1e96695
- 07 R f96a7ebe3ea176cec0d9d3ab68f4584f2fcbab1bb64d85352bb5b99016e32a14
- 08 L 0802c1d8ebe01f7d10998388eedd06a73b12412fd2cca4af12193af5d5dd41f0
- 09 R af2ba0a98f4f8f777753cc14bd4ad0e9e5499df888d222569b85c86b75dbd000
- root da1116bf3c822d9659d8985fbf4339db09190116331542201004e47abae16df0