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 - CAPIZ 1ST DEO Award a ₱5.5M contract to NANA BUILDERSNational agencies

Transaction hash:

49fee4d64274c433e6adf3c2d865b1816b9701d4a985703a410f50bddbfe0073

Status:

Included and unchanged

Block:

#2,967 3,046 blocks after it

Position in block:

Transaction 57 of 170

Award day:

Jan 20, 2017 (9 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAPIZ 1ST DEO

To:

NANA BUILDERS

Value:

₱5,549,452.02

Project:

Construction and Maintenance of Bridges

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAPIZ 1ST 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 #2,967 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)
DPWH lists the funding source as "Regular Infra - Flood Control/Hydraulics/River Control, Roads: Construction - PCCP". The exact UACS line is not given.
Partly
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 - CAPIZ 1ST DEO awarded it to NANA BUILDERS on 2017-01-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16GD0089: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-08-12). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 49fee4d642…fe0073now …
2. Block Merkle root changed
stored 99b5cb451d…19cd8anow …
3. Block #2967 hash changed
stored a671728cb5…6ed13enow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 169 records. Each step hashes the current value together with the sibling shown.

leaf 49fee4d64274c433e6adf3c2d865b1816b9701d4a985703a410f50bddbfe0073
01 L 48dfa61db293c1628d30bd3b9a8814457fae8431e63174bf6f42928ad20835c5
02 R 4479c85b0f297b6fc9370260be8d304902b610b98430f78b4f2ccddb520176b8
03 R 78d798b149693c23851a9ee8da0cc04757b2401c49978728c40b808f006984c3
04 L 1df233be83ebc86d2091c7a419a206f1369925ecb678091a152d86e7ca17f4ba
05 L eda0dfc858ec9e9ee977bde89ae13efc8ce8ac1590c2c017d2598136ffa4cbca
06 L a3908bad9da94cc7dc5af7ed71c45e7f300b94c54f98ab885e8499e67d7b7140
07 R c24d7a7be29b785ed4fe7870cb3ea3cc20d90b3d5389dd69da24f1ee36944880
08 R 42233ef64c4af408570a743550a0c82b2c86b63d38df1db5c69848086b78bd5a
root 99b5cb451d247dce6d3a222785d1a77b24e98ca59cac6d5e4538836aa619cd8a