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 & HIGHWAYS - DAVAO DEL SUR 1ST DE Award a ₱6.2M contract to JLA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

bcfcf02979e7af3b4ece12d12e0f2524692925a83e0e89ee967e4add35be2107

Status:

Included and unchanged

Block:

#1,169 4,844 blocks after it

Position in block:

Transaction 42 of 55

Award day:

Jun 17, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

To:

JLA CONSTRUCTION & SUPPLIES

Value:

₱6,206,915.03

Project:

Rehabilitation of Lower Bala Road, NITSIBULB ARC, Magsaysay, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

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 #1,169 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 & HIGHWAYS - DAVAO DEL SUR 1ST DE awarded it to JLA CONSTRUCTION & SUPPLIES on 2011-06-17.
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 bcfcf02979…be2107now …
2. Block Merkle root changed
stored e63b321a7a…4f9434now …
3. Block #1169 hash changed
stored 7b9747dad8…cdd8e1now …

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

leaf bcfcf02979e7af3b4ece12d12e0f2524692925a83e0e89ee967e4add35be2107
01 R be1033a929441b2c5b013adc5aeafb606d45bd2cfc7123ac1fa74cf6ab9158d4
02 L 7e02d6f18dd99c59ead08ac28fb3f7a88bebfe4f98257006f003026a35ef8c15
03 R 31544070f5670d871dc571d1fc00498f034ce173321a56c189662c48f7d9cc94
04 L ce5a9aa62b1a2257fc3fe513af9b1d354b428376b46d103f83ba879134c38db8
05 R 4c057bf348b45b40801ff665a645481a2da6a77be7ea1b077ea63e260dce613d
06 L 1a50cd00f857149c9a6d7d8540628c446915d7646af4f53a72e67fab54db96ff
root e63b321a7af707c1c802f2a4b3092cd7406f8bab64635342c8261448bd4f9434