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-BULACAN 1ST DEO Award a ₱954.5K contract to CHOLO CONSTRUCTION & TRADINGNational agencies

Transaction hash:

7f555e526d80d4e3e4a34636fd94e8d9fef2b066b4a189c92d4a745a64e4acc7

Status:

Included and unchanged

Block:

#1,279 4,734 blocks after it

Position in block:

Transaction 33 of 64

Award day:

Oct 28, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

CHOLO CONSTRUCTION & TRADING

Value:

₱954,500.00

Project:

Angat River Control (Baliuag Section) Baliuag, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #1,279 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-BULACAN 1ST DEO awarded it to CHOLO CONSTRUCTION & TRADING on 2011-10-28.
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 7f555e526d…e4acc7now …
2. Block Merkle root changed
stored 02f9cda03e…ebbf2cnow …
3. Block #1279 hash changed
stored b91d7d2192…975d05now …

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

leaf 7f555e526d80d4e3e4a34636fd94e8d9fef2b066b4a189c92d4a745a64e4acc7
01 L 7d5417b7dd1db85967ea80dbb379dc4c2e68b306988836813149dde2e0d093bf
02 R b58521383a8dafe05dda465e05c8a5049a64f8269693d8df592cf0d3983cb402
03 R 362edf0d05ffc13bccf3af7be75be54f9bb8f25fe241fa2ac9fecd35a6ea379e
04 R 91aec6ed286b3f8788dcd719ffb5028347edf83384f2602a4aac958901f1a689
05 R 17087c530e31254a6560e633627bc8dc8de23c1aa4dff3da6e3edb812a27dc02
06 L 405585aa12264d46cc9fb033359ffb1b92c17c29793405f2ea5d862eb69a6c64
root 02f9cda03ef78e763b4a1c819fc87307e105be6a56bc12d0f5d7055ea7ebbf2c