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 - LA UNION 2ND DISTR Award a ₱138.0K contract to GERALD BUILDERS AND TRADINGNational agencies

Transaction hash:

aa9e3fbf288eef4b23c6a63f43ba690ea914f1f6ab14ecd53b3a4bbe4757c633

Status:

Included and unchanged

Block:

#1,719 4,294 blocks after it

Position in block:

Transaction 23 of 34

Award day:

Apr 1, 2013 (13 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

To:

GERALD BUILDERS AND TRADING

Value:

₱138,000.00

Project:

13AF004G

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

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 #1,719 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 - LA UNION 2ND DISTR awarded it to GERALD BUILDERS AND TRADING on 2013-04-01.
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 aa9e3fbf28…57c633now …
2. Block Merkle root changed
stored 811d7ad473…2b22f6now …
3. Block #1719 hash changed
stored e17fbff6f5…f329a7now …

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

leaf aa9e3fbf288eef4b23c6a63f43ba690ea914f1f6ab14ecd53b3a4bbe4757c633
01 L a38d6bf27d2bcded703baae99914d346eab84dd1bf43b222eb0295b54a41cef9
02 L 50161c773c3d782a7ddcb10aabc8e6be3d907c2397b078a687f2ee4c13021f70
03 L d3302a22d4a64e0b081761c46af523747403d5f3d589d5b0fe475b5ea716c46d
04 R 1a07132a70dacd5e6dc0841b43e4354a6c8a09fa5784f1e4987e96d485647679
05 L d66ea6f652ff4bec4284ae8e9b1d07bede009ffa9fdfa64930a833eb527b6960
06 R f2f03be26cf49a0322191ff31dc8b0b0858876ac2b48c0cec244015e6b0caebb
root 811d7ad47324a5e364b2ddd19398691f9b99c53a7aeddd82752cc4f6cd2b22f6