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 - CAMIGUIN DEO Award a ₱3.7M contract to GCMG CONSTRUCTIONNational agencies

Transaction hash:

b1489c06ccd9ebabcd6de7760b9f43a796e41b33f21abb0054d9de48e71ea7d6

Status:

Included and unchanged

Block:

#2,291 3,722 blocks after it

Position in block:

Transaction 60 of 90

Award day:

Jan 7, 2015 (11 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMIGUIN DEO

To:

GCMG CONSTRUCTION

Value:

₱3,701,820.57

Project:

Concreting of Poblacion & Hubangon Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMIGUIN 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 #2,291 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 - CAMIGUIN DEO awarded it to GCMG CONSTRUCTION on 2015-01-07.
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 b1489c06cc…1ea7d6now …
2. Block Merkle root changed
stored 4e1272a259…eb5d42now …
3. Block #2291 hash changed
stored 35c10ff5f7…8c8d62now …

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

leaf b1489c06ccd9ebabcd6de7760b9f43a796e41b33f21abb0054d9de48e71ea7d6
01 R b3b3c846b680b27f6d1b9c7cd03bce6bffc7eaa6cacc0a1cc896cc3eee46897a
02 R c72b3ad65ecfcd03e892fe47523a5149c17f0c9d7ee6662b23c6f78a0399991d
03 L 24c01729d54e3f3a3c66813f755cfd671b8644064e6844fb39fc99d4a7cac55f
04 L a6e69ee33c426495c31c77a1c565bcc023c3d11d4ede85725c88173f4ffb9685
05 L 51e3ac17d407bf0d2cc167c657a7b3c9e475e8d961b60fe4a7b63d42edd692fd
06 L 929853e33735bd6a3187da092a2e2bad5db299739a66828cfe43cf8ec27f5500
07 R 200fcbb10e6bdc1ca50560f74677c0f8bc322959d53b539a246d7dd76d3b8c57
root 4e1272a259e9826408cf2ba72b2cdb1e5fbf380d74af37928e529b142feb5d42