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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 2ND DEO Award a ₱3.3M contract to ALFALFA CONSTRUCTIONNational agencies

Transaction hash:

7889a4cc4e03990bc5ee8fbe2fcbcf3a64f3c0cba4de6b7ac349c2247894db55

Status:

Included and unchanged

Block:

#1,786 4,227 blocks after it

Position in block:

Transaction 59 of 105

Award day:

Jun 25, 2013 (13 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 2ND DEO

To:

ALFALFA CONSTRUCTION

Value:

₱3,259,223.66

Project:

506

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 2ND DEO

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 #1,786 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 2ND DEO awarded it to ALFALFA CONSTRUCTION on 2013-06-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 7889a4cc4e…94db55now …
2. Block Merkle root changed
stored 08ff98cb2c…588540now …
3. Block #1786 hash changed
stored b816a47a31…7dee30now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 104 records. Each step hashes the current value together with the sibling shown.

leaf 7889a4cc4e03990bc5ee8fbe2fcbcf3a64f3c0cba4de6b7ac349c2247894db55
01 L 77dc9b2a48f2ff97b1ade1e3e488342c39d75f62623c70dee849162add8b8d35
02 L 44639a2aa3eaa19ea1f9b7589acc7ca10a749648796cbbd75936cbb800a3007d
03 R 3b38268de57b825b86b8c516c67e7f75e5cc050178e7114898f1a714fc83d3d9
04 L 6484faddfaf1cf81c95492116704abce9b6a436a4c096ad9ab1dd9de3d1a7dcf
05 L d2e4603da14b9a2342488460266afe1549ed463986a103790575e2680b3fa5a8
06 L 93e2698fe7292684da8f647355d9abae619ddf2d101543b3239a0dbbc6ea08c8
07 R 96a1d871ece705ec67f842eec798c542ed37ca30f288372eb0209d9396d196ad
root 08ff98cb2cd5045a92b5969b9287794e6ef5f7ddb1a031735e1faf9cfe588540