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 - DAVAO CITY DEO Award a ₱38.8M contract to R.C. MELGAZO BUILDERSNational agencies
Transaction hash:
2ca8bb7e8592aaa5a6e4bba84b1de9b2581cf81ae3e01fb5879addf9f57bd98b
Status:
Included and unchanged
Block:
#5,474 539 blocks after it
Position in block:
Transaction 121 of 652
Award day:
Apr 15, 2024 (2 yrs 6 mo ago)
Value:
₱38,807,406.18
Project:
23LB0174
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 #5,474 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 "Outside Infra - Unprogrammed Appropriations 2023". 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 - DAVAO CITY DEO awarded it to R.C. MELGAZO BUILDERS on 2024-04-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23LB0174: On-Going, 100% 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 2ca8bb7e85…7bd98bnow …
- 2. Block Merkle root changedstored fef4bc15ec…eaec69now …
- 3. Block #5474 hash changedstored f825779708…9d7f39now …
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 651 records. Each step hashes the current value together with the sibling shown.
- leaf 2ca8bb7e8592aaa5a6e4bba84b1de9b2581cf81ae3e01fb5879addf9f57bd98b
- 01 L 2c59e11c00734d8ab075c043b79bc3510757db6cb8d69a1d85af7023336aeece
- 02 R 97f2a724e241378dc77667c0029708a07a94cf2f3c546f0f8d3c528c9625bce0
- 03 R d6fa95101beb20915f0d6fe8ca41186aa67fde100fba42c5330d842c9d64a4d5
- 04 L 1d6749c6751c0789f64fd360dfef07378d7852aff4bba2cb24c3a4b69c62200c
- 05 L f4bc9c70947e1306e0085c502f472e4b2772819aee61646b34a38b9fe6381b5b
- 06 L c3e4b1e3914473c0f4598244fe67547e951fa09d63a95da2a1afb1a9720c5714
- 07 L dbb5521b237c2419b2113d348a10d658b3bb534fc3866f3fb1aed1864f81e076
- 08 R 7c8c7217af0025e7ad387b4545daec36adb26967adc8cd88f7516be5fee3e42e
- 09 R 1465a085d3546d84c1b7f9d0d92e81786da463917692b05bcf4238793577a061
- 10 R 5326831ecd09af268a73f1d37352ef2183be0842830cbb779f3ff810942d65c2
- root fef4bc15ec3856b872ee468fc4fce34565c6e6facdda52710e009dc8c1eaec69