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 - ABRA ED Award a ₱4.6M contract to THUNDER CONSTRUCTIONNational agencies

Transaction hash:

2f7bf4922f5cbc905613d431f01392732192548e258c598571d757a06e60e449

Status:

Included and unchanged

Block:

#1,760 4,253 blocks after it

Position in block:

Transaction 10 of 62

Award day:

May 22, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

To:

THUNDER CONSTRUCTION

Value:

₱4,611,905.02

Project:

13PA0026

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

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 #1,760 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 - ABRA ED awarded it to THUNDER CONSTRUCTION on 2013-05-22.
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 2f7bf4922f…60e449now …
2. Block Merkle root changed
stored 6ca253e127…2b14a8now …
3. Block #1760 hash changed
stored b45457f139…6a783dnow …

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

leaf 2f7bf4922f5cbc905613d431f01392732192548e258c598571d757a06e60e449
01 R 37cdea25c50e09370ecc75bbdf0ed54808244babe04424da2a4b2deed03419d3
02 L 449cbdfb7422d4a544132c42c136b2ab81ef8958278084d0db9044e7be1cc3be
03 R 6620dab9194a1981956adac631c73399ce801a40e00dd0119f16e8a084e1d4ab
04 L f116bfbd7ac139ba1fc2b1617c3edb7aa60f7a1f5a9e5bdf5b9d3c247204a6f2
05 R fee9500297f721e0a53ab3bfeec3f670660e832d97116b626efbfab7c7ca9cf8
06 R a0271f4f910f1e3894515ce7d23086f3b13d38a3179f60c25bcaf9dd68a72f36
root 6ca253e1274a5407a1bbdf2103e82c2b74ac02a72935761ff3157a2efc2b14a8