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 - CAR Award a ₱1.9M contract to A.I.P. CONSTRUCTIONNational agencies

Transaction hash:

2aa75498dc749c08ff78672c42bba7f02831b385890b95e79961693611d6eaa0

Status:

Included and unchanged

Block:

#492 5,521 blocks after it

Position in block:

Transaction 6 of 60

Award day:

Dec 12, 2008 (17 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

A.I.P. CONSTRUCTION

Value:

₱1,871,787.68

Project:

Road Concreting at Pinget Barangay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #492 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 - CAR awarded it to A.I.P. CONSTRUCTION on 2008-12-12.
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 2aa75498dc…d6eaa0now …
2. Block Merkle root changed
stored b5ccfbe1fe…c036a5now …
3. Block #492 hash changed
stored 4ae906372f…9cdd2cnow …

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

leaf 2aa75498dc749c08ff78672c42bba7f02831b385890b95e79961693611d6eaa0
01 R 2b60e68b84249f9d4279c5c644379c9a75e3cf68934b7937a0b57dae5b02ad00
02 L ac8ee521b212213d34d9e824dcfd222ad1c3975b4cd53ae3e9b81db7ba8655ab
03 L aeb7996cdd94ea81ba6e85f2f0a8bfbc4c7e8e3958ae0478388897fff55436fc
04 R 5e75c48b6dd1b9b36b325bb177e85b42d4fe3b1228c0d884d918c6945b91ce15
05 R 7a7d889e6223df1ce50a471dcf6011e8d010c944d4053323c3cfed4779f859eb
06 R 089b2c206e755c2e0b1a1a96e01c1710b401d205c368aeda158d025cfe4185a4
root b5ccfbe1fe943a637db32e654c8e93a6a56839ac0fa11c436dbcec5662c036a5