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

CITY OF CALOOCAN Award a ₱3.5M contract to P.B. GREY CONSTRUCTIONCities

Transaction hash:

b5ff6bd567d3736284ce64364b5c566706998f1c0f9ee5efe75af76fd657d614

Status:

Included and unchanged

Block:

#1,199 4,814 blocks after it

Position in block:

Transaction 25 of 38

Award day:

Jul 22, 2011 (15 yrs 3 mo ago)

From:

CITY OF CALOOCAN

To:

P.B. GREY CONSTRUCTION

Value:

₱3,539,900.00

Project:

Installation of Streetlights Along Baesa Road (Quezon City/Caloocan City Boundary to Reparo Road), Barangay 158, Caloocan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF CALOOCAN

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 #1,199 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)
CITY OF CALOOCAN awarded it to P.B. GREY CONSTRUCTION on 2011-07-22.
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)
COA's CY2024 audit of City of Caloocan gave a "unmodified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 b5ff6bd567…57d614now …
2. Block Merkle root changed
stored ce19b06bd7…8be669now …
3. Block #1199 hash changed
stored 224aa53660…f61586now …

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

leaf b5ff6bd567d3736284ce64364b5c566706998f1c0f9ee5efe75af76fd657d614
01 L ae2153934318ddda4c21f050b1d1a4bbc20d298a69e5e24c32785b6fd99b69d4
02 R 62348daba6bda4e27c6c7a1681971553b0994dbfdb0a34422357c2e089ea94ff
03 R 5504f243e2f0e7c0e07e6900c5325325efd12b301d2e04e3c2131ae193703be0
04 L 1c48f1ba0bb46b9426a29f985cf8de08685ef6f9ff11b3842060df8ce5c60e6f
05 L c9329360a6e4b2aaf9ff935855c299270d0dacd3e809a2a596dd5c6ffa9e9c8b
06 R d300d7f4328b7bc90aef2ec2a37473129e667ac01f56d83059a99a7aeaff04c7
root ce19b06bd72b4f45f977c8dc6a25e88f1c263b6768bc50b13abd80d5af8be669