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 - SOUTH COTABATO 1S Award a ₱989.9K contract to GRECO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

32032d34af2e7edc31f64ff9c3a822cbedc5632197b7246d40c00547a2214b79

Status:

Included and unchanged

Block:

#4,122 1,891 blocks after it

Position in block:

Transaction 33 of 122

Award day:

Jun 4, 2020 (6 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH COTABATO 1S

To:

GRECO CONSTRUCTION AND SUPPLY

Value:

₱989,946.42

Project:

20MB0148 -REPAIR/MAINTENANCE OF DPWH BUILDING AREA

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH COTABATO 1S

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 #4,122 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 - SOUTH COTABATO 1S awarded it to GRECO CONSTRUCTION AND SUPPLY on 2020-06-04.
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 32032d34af…214b79now …
2. Block Merkle root changed
stored ede03cd8c2…118c18now …
3. Block #4122 hash changed
stored 771f27fc00…e759f3now …

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

leaf 32032d34af2e7edc31f64ff9c3a822cbedc5632197b7246d40c00547a2214b79
01 L 31a9c3e95afc29d1c24dabe037ccd904e7c44617e80e46e20f25e2e9d8eb26a1
02 R db9152bcac73aed10804783e4fd6d136dabf2549479eca7955dc809a602a402e
03 R 5fa42748385eabc6897ddafc56bd05dd5dfe06203653cae219066066f9c9c1d6
04 R d7ce7d8d95f9ded899369000569b064d561c21dd560aa6bd083e92d8bcb33a92
05 R d925f9272854261473830e3a1dfbb596a7e22896fcfbc945dac647982c2287d0
06 L 628e9355f643402e4e1b1d4c3bd2534babac3d33c5783cc79a613d402c96cacd
07 R 887149363ac3665045591537622b8816ad173abc8c3163023851386bd8e750f4
root ede03cd8c20161f1742c5ebddf089ca9f0e495f6e57af5e4fe9d5868e2118c18