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 - ALBAY 3RD DEO Award a ₱1.1M contract to GANE TEKNO BUILDERSNational agencies

Transaction hash:

2655d8a36d86d4418643dbb42109d8d586ecd0f145db4630fcabe0c4d85e0ef0

Status:

Included and unchanged

Block:

#1,491 4,522 blocks after it

Position in block:

Transaction 12 of 62

Award day:

Jun 27, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

GANE TEKNO BUILDERS

Value:

₱1,091,550.91

Project:

Repair/Rehabilitation of Collapsed Pavement along Ligao-Tabaco Road (Amtic Section), Ligao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD 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 #1,491 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 - ALBAY 3RD DEO awarded it to GANE TEKNO BUILDERS on 2012-06-27.
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 2655d8a36d…5e0ef0now …
2. Block Merkle root changed
stored d4e70034a0…4fe686now …
3. Block #1491 hash changed
stored 213a30d0d2…a634benow …

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 2655d8a36d86d4418643dbb42109d8d586ecd0f145db4630fcabe0c4d85e0ef0
01 R 2d76e6e8f98e3c62c1cb0445c1699614b2d1df1e38986f94006622e7a7618089
02 R 98e5041e0380045c44cd76be84267979e123595bea38d0813f636aa8274d1013
03 L 1ae8d4a694d1bd8fc8e50e22b880738490bb73b5a8a1652231cc3ec8d3f64454
04 L ac21a68d2266040badfaede723c88dc899ccf09f30a19b72ea972e39d363ad0a
05 R 552ca0856c505121e9fce574e38b1c9a36883132d0c3102aab739d5e1af562e4
06 R 1c24ebe54f2374fc503fa689e98080df36eef9f87638651da53e12419cf79acc
root d4e70034a0c7f0970ebad51ce27700a8a0c5e8db4b87c2cb84b6a711f64fe686