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 - IFUGAO 2ND DEO Award a ₱1.4M contract to ALFALFA CONSTRUCTIONNational agencies

Transaction hash:

7ab8fe2a66cd9b3366a01774722b86fff8c3f747d85b0fd3aef101d42eb7cef4

Status:

Included and unchanged

Block:

#2,583 3,430 blocks after it

Position in block:

Transaction 58 of 125

Award day:

Nov 20, 2015 (10 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 2ND DEO

To:

ALFALFA CONSTRUCTION

Value:

₱1,359,390.42

Project:

15PJ0046

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - IFUGAO 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 #2,583 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 - IFUGAO 2ND DEO awarded it to ALFALFA CONSTRUCTION on 2015-11-20.
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 7ab8fe2a66…b7cef4now …
2. Block Merkle root changed
stored 31af6db06b…3e10b3now …
3. Block #2583 hash changed
stored 3eca7d75c7…c35b61now …

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

leaf 7ab8fe2a66cd9b3366a01774722b86fff8c3f747d85b0fd3aef101d42eb7cef4
01 R 7c6abc820611224b64f35b8485869a0defb85c82e123eadc4854bbd51c7a4777
02 L 6094332ef707748b5ac2aec68454cb63073ceccd866ba53d92276e1e6d40fdb2
03 R 67be2d2bf46be8eca7cd35930ba73df9a2ff44735fee1c94be6bdaaec8b50b11
04 L cf0aa87e6a65e183f7ebfecb09dbf857f2c851bc27b0fdc77c408d0b76fd405a
05 L 0d29c5d8c2fd4c749ee523701bbabc6eb0e48f923e0d139efeb2304e692a926f
06 L e14619cdeb4052d9acd28a8e1af3a136f326a490afdbe244e35d44f09d522f7f
07 R dcd81ec614a35daedc0d72d358152735b6c073c6bea7f81f499635483e42dbc7
root 31af6db06b0dfa3e3873af662b936d82636a855a47906991426ebf71ed3e10b3