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 - COMPOSTELA VALLEY Award a ₱4.7M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
f2fe1eb15eb402729b2e491ea1b54064d17fafa3800819ae78c67250562a7acd
Status:
Included and unchanged
Block:
#3,130 2,883 blocks after it
Position in block:
Transaction 213 of 224
Award day:
Jul 12, 2017 (9 yrs 4 mo ago)
Value:
₱4,687,619.77
Project:
17LA0104
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 #3,130 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 2017 LFP", i.e. the FY2017 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 - COMPOSTELA VALLEY awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2017-07-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17LA0104: Completed, 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)DPWH marks the contract "Completed" (end 2017-09-12). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 f2fe1eb15e…2a7acdnow …
- 2. Block Merkle root changedstored 4d220a0fa6…c3071fnow …
- 3. Block #3130 hash changedstored 29237933df…a918c8now …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf f2fe1eb15eb402729b2e491ea1b54064d17fafa3800819ae78c67250562a7acd
- 01 L f2ecdf4d24406137a0117ffe4d5dda1d52a5039fbef328e7f180936ab0473c97
- 02 R 342022ada7dc7e841a923c69281fcde1eb8744b3f82f5aa3fe835b573268b52a
- 03 L 35ea673be315caa6fe2eb41ec00b777799ab2809314b176fe3195cc228bec0ff
- 04 R e69626ccbfbc587110b9533f1b2017a4dc7eb93d2aa0f63e796b1b19a4ba8790
- 05 L 3d6f9680ccf010fd555a15f0deefb69730cdaa35cba471ce254a0561760e123d
- 06 R a417e725e42b5368a42676d3202ae930f8337264a9835aac16eab7684266001a
- 07 L 75f38c711908f5e1fc215361a538baa3fd64d56be4c7793b971391e1173f13df
- 08 L d4f781ac95bf636e2738786e506da8e1677dc842b654de97e9c0d8c985130843
- root 4d220a0fa67b39136d32538137114fb807ed95b25b5737d162ba696c31c3071f