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 - ILOCOS SUR 1ST DIS Award a ₱982.1K contract to N.A. IBARRA CONSTRUCTIONNational agencies

Transaction hash:

fdd6e27a52f48d2a936a989bb9f1190ae844fb37152a72f2099fa16db33b0d3b

Status:

Included and unchanged

Block:

#1,381 4,632 blocks after it

Position in block:

Transaction 58 of 59

Award day:

Feb 17, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

N.A. IBARRA CONSTRUCTION

Value:

₱982,128.43

Project:

Concreting of Farm-to-Market Road, Brgy. Cabulalaan, Sinait, Ilocos Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #1,381 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 - ILOCOS SUR 1ST DIS awarded it to N.A. IBARRA CONSTRUCTION on 2012-02-17.
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 fdd6e27a52…3b0d3bnow …
2. Block Merkle root changed
stored 47c1e6704b…8ab087now …
3. Block #1381 hash changed
stored c5f68ca174…757cdcnow …

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

leaf fdd6e27a52f48d2a936a989bb9f1190ae844fb37152a72f2099fa16db33b0d3b
01 R fdd6e27a52f48d2a936a989bb9f1190ae844fb37152a72f2099fa16db33b0d3b
02 L 9683db8ab6cb06ba52d684e9be1a8aec4dbef328de9646808f78d9325dfca4b0
03 R 21a5eda7d87e72b69ba811fb856339616da80497cc642cdd78b68a1047fc1a35
04 L 25cf3381155dc33e08709eaeb1dca4bf68f4cefdabe9a804bbdbb2f45b68498d
05 L 9462ec8da4c29c58491d9cfa691bcd6d13d1a57d8c5476060ce5d142b0360ed6
06 L 26b4323daf2d3ab50e2ee257e9a7437b8197efe96974d83a429e53417eb2b5ce
root 47c1e6704ba78fc32113e3496d562eaa80f5d0d0782f992b40825eaf418ab087