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 - SURIGAO DEL SUR 1S Award a ₱2.8M contract to J&A PIMENTEL CONSTRUCTIONNational agencies

Transaction hash:

a3e9afcc79c178b2aaffdcbea5b398144223170a31769b0fa0c294f1650bef92

Status:

Included and unchanged

Block:

#798 5,215 blocks after it

Position in block:

Transaction 27 of 40

Award day:

Feb 12, 2010 (16 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

J&A PIMENTEL CONSTRUCTION

Value:

₱2,772,877.72

Project:

Imprv't./Rehab. of Bag-ong Lungsod Shore Protection, Tandag, Surigao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #798 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 - SURIGAO DEL SUR 1S awarded it to J&A PIMENTEL CONSTRUCTION on 2010-02-12.
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 a3e9afcc79…0bef92now …
2. Block Merkle root changed
stored c818efb387…ad81e8now …
3. Block #798 hash changed
stored da6d505413…afeee8now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 39 records. Each step hashes the current value together with the sibling shown.

leaf a3e9afcc79c178b2aaffdcbea5b398144223170a31769b0fa0c294f1650bef92
01 L 9d1b8832671aca6f5d012fcf7d069e74001033fb7b0ab22e6f494b28fc180880
02 L 00f2d3750b0d9f70b1144fe84841443abfc6cdbd659b1d5671bb95abef9eb19e
03 R 0c76c9e4a64f24f2d4e50ad11cd200bb2c7d22a2607b776107a527137e118c84
04 L d7d78570ab5e4a980e12038d71530762bb841c469a2e5c0d59353dfad4873682
05 L d0cadb0bd371abade7a4e4eb31a66f31e8da6c8a220e36f808748c683dd269fb
06 R 6d90a03798b3066fe60b8199a54b44dba7cebb353b1f8a2dea8f2c16c5eba3f5
root c818efb387a30710fa667c4b78dd7c66b41d5263d28ccb93fb59bbd510ad81e8