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 - PAMPANGA 1ST DEO Award a ₱1.1M contract to NES-SAN BUILDERSNational agencies

Transaction hash:

a9decdc4f0e014c1bf1f65d1690cad8d9abf6ee6a72874a4bc139ade142fec6a

Status:

Included and unchanged

Block:

#4,141 1,872 blocks after it

Position in block:

Transaction 143 of 218

Award day:

Jun 23, 2020 (6 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST DEO

To:

NES-SAN BUILDERS

Value:

₱1,104,005.06

Project:

20CG0125 - Asset Preservation Program Preventive

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 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 #4,141 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 - GAA 2020 OO-1", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - PAMPANGA 1ST DEO awarded it to NES-SAN BUILDERS on 2020-06-23.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20CG0125: 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 2020-08-01). 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 a9decdc4f0…2fec6anow …
2. Block Merkle root changed
stored a0a188f4ea…6a3a67now …
3. Block #4141 hash changed
stored 5ab15eee52…6d7c83now …

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

leaf a9decdc4f0e014c1bf1f65d1690cad8d9abf6ee6a72874a4bc139ade142fec6a
01 L a5562c8c945ad40af49f9ddef95338917279073e8394736e5a540e52d80febdd
02 L cd839eede8b84f5aef1ec81820ebf0991d89caf41c42e9a892cbca8f36d0c464
03 L bff2bab64f46cfcb42541e10e4c2e8f31c0099aa5fed9658c1549bce7f23f838
04 L 149fa2a513c0d9d0eba380420c16eb18eb3d09e5840324da42640f201b9310c9
05 R 47715657a046aa9464ce640a7aa1dc36a4dbfdbe79f878ed5ece64f9d635ff95
06 R 28affbf18dbbc58faefc1d3059d422366e772d138802018dcf97ba721857fd5d
07 R 77711adfdf411310f052c2807398d86a1c22d56be5f3f7bc20393333ca288c21
08 L 6ff9f7464fd654f49c9b2272fea801d78e43a84f8d8a15f46062bf409a2880b1
root a0a188f4ea9515cf709e0b0333d7aa677bbc2b9d71c67317c81af3c96d6a3a67