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 - QUIRINO DEO Award a ₱7.1M contract to APD CONSTRUCTIONNational agencies

Transaction hash:

d6a96b1f2fc2e8a7eb2a279313ebcf6312dc881d24c149139d9d6838adeaa2a9

Status:

Included and unchanged

Block:

#1,524 4,489 blocks after it

Position in block:

Transaction 62 of 82

Award day:

Aug 3, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO DEO

To:

APD CONSTRUCTION

Value:

₱7,141,429.64

Project:

12BK0036 - Rehabilitation/Extension of Nalungtutan Bridge Approach B along Abbag-Ponggo-Guingin Road, K0384+361, Nagtipunan, Quirino

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO 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 #1,524 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 - QUIRINO DEO awarded it to APD CONSTRUCTION on 2012-08-03.
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 d6a96b1f2f…eaa2a9now …
2. Block Merkle root changed
stored 3aa3a4d9a1…7df402now …
3. Block #1524 hash changed
stored 0e36008799…c66da9now …

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 81 records. Each step hashes the current value together with the sibling shown.

leaf d6a96b1f2fc2e8a7eb2a279313ebcf6312dc881d24c149139d9d6838adeaa2a9
01 R dbb5f3a4927127a9b65a8541d9a94d1bbeba2f89ec4717dd201b7a7693b4dd3f
02 L d020449a4451a98922bf3fd95574d291b0bf8003435418fb9d72379fef1e42fb
03 L 777f012df8434adf27b5d3c361dcf4bbe2dc2a344af6c7b189eead3113e53c8d
04 L 1dc70e4f128add648ab13861bb27072cf9f06968538976a3c7044088283136c8
05 L ec76ee388d941958cfe62999f5f9ca0da51ebb0816137f8412bfd1d53cf8992b
06 L 2a5b79b8e1cc20e6790c56e7565e1e96edb2aafca0802daefd4f33e2e8384fc0
07 R 2b6e6b189a647c74a7c28b0bd1657e206242c052aeb48e065a2d29fa0f41f4c5
root 3aa3a4d9a1a42b9f24165e39036c98f9d925698dffd2c0b9b7ffe8ed957df402