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-CAMARINES SUR 2ND DEO Award a ₱450.0K contract to CHA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

b863cb42b8eb26e09d22305ec0d72ad0fb932c21a7233af196bcacfedd15144b

Status:

Included and unchanged

Block:

#1,106 4,907 blocks after it

Position in block:

Transaction 17 of 25

Award day:

Mar 28, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS-CAMARINES SUR 2ND DEO

To:

CHA CONSTRUCTION AND SUPPLY

Value:

₱449,991.50

Project:

Construction of Multi-Purpose Building, Barangay Pacol, Naga City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS-CAMARINES SUR 2ND 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 #1,106 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-CAMARINES SUR 2ND DEO awarded it to CHA CONSTRUCTION AND SUPPLY on 2011-03-28.
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 b863cb42b8…15144bnow …
2. Block Merkle root changed
stored 9cb1e77336…5bc294now …
3. Block #1106 hash changed
stored 8af7f41fb7…aa992fnow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.

leaf b863cb42b8eb26e09d22305ec0d72ad0fb932c21a7233af196bcacfedd15144b
01 L 9984b196f7d3b513258759d1071c9ee3dceacc47823f601c4ceb096957f6a144
02 R e000d18285744ee71b39eb8c8c43ae04fdbcaddb66160f895350316a12d59fad
03 R 8e645ada3c8a1f8a4a5df707f69430fd428d0a0882b8b76c99e3a2ded0bf7e36
04 R fb6b75b72155b2eaf77fd7763f3bb504272d0b2bcc411ff53fce61e3850b78b6
05 L dc6ae70bd98fa00977be91031282e533485eb3babd679e698f85593f68e35cc1
root 9cb1e77336477cd49aa201f2f54c6185d1cf9f849d733e68d0e3073b955bc294