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 - BAGUIO CITY DEO Award a ₱3.3M contract to PJ TAN CONSTRUCTIONNational agencies

Transaction hash:

36ea3f841c77282dc78ebf8d66392cffaa6292473ce2294a526383075b5cfcac

Status:

Included and unchanged

Block:

#1,564 4,449 blocks after it

Position in block:

Transaction 20 of 73

Award day:

Sep 19, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BAGUIO CITY DEO

To:

PJ TAN CONSTRUCTION

Value:

₱3,314,758.93

Project:

Repair/Rehabilitation and Construction of Farm to Market Roads in the Designated Key Production Areas, Fairview Barangay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BAGUIO CITY 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 #1,564 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 - BAGUIO CITY DEO awarded it to PJ TAN CONSTRUCTION on 2012-09-19.
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 36ea3f841c…5cfcacnow …
2. Block Merkle root changed
stored a1e07d5a3a…2d1879now …
3. Block #1564 hash changed
stored 699360a068…e29752now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 72 records. Each step hashes the current value together with the sibling shown.

leaf 36ea3f841c77282dc78ebf8d66392cffaa6292473ce2294a526383075b5cfcac
01 R 3e361e336c5bd2babfe37925d9771c7e835ce81c362f3ef7a3b8e45a109d25a2
02 R a8711ec9da90089edd9fa19f9970581e17aa97477365d1adf72deea3127fba40
03 L 0b1966aae19e03f5ff1d3f405b58b0d8278aa24916f28f4f21b46ed667223ab2
04 R a94b419b3f52cf16f8cddf684156a99f10b2bc01ff96dbcdf174bbb251ae5831
05 L f10f7b034fb2ef05ed1d90e32f00a333b13ed3675b08cfed16e22949e57fdcc2
06 R 8c9b696adda60fd358a1e3fd591d1bbd0e2c972d502915863f04611562c1f283
07 R e44846cf5847abbcbf5ead1bcbcb027b80f9f777fc43b4ab7c7d637ebdd0d87f
root a1e07d5a3aa49e73ca002b5fb58768912892978b9c4f2f1f6f500186f32d1879