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 - QUEZON CITY 1ST ED Award a ₱1.8M contract to E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTORNational agencies

Transaction hash:

69550f82da7e6fbcab9b683325a86fa9578889b30ad04c1f91a57fb0d5cc711d

Status:

Included and unchanged

Block:

#1,557 4,456 blocks after it

Position in block:

Transaction 25 of 65

Award day:

Sep 11, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTOR

Value:

₱1,790,440.47

Project:

Construction of Multi-Purpose Building Bago Bantay E/S at Brgy. Bago Bantay Q.C. and Improvement/Rehab. of Multi-Purpose Building at Tinagan St., Brgy. San Jose, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

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 #1,557 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 - QUEZON CITY 1ST ED awarded it to E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTOR on 2012-09-11.
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 69550f82da…cc711dnow …
2. Block Merkle root changed
stored dd9b150eb7…ddaae7now …
3. Block #1557 hash changed
stored 3bde71351f…d10b59now …

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

leaf 69550f82da7e6fbcab9b683325a86fa9578889b30ad04c1f91a57fb0d5cc711d
01 L 6713501e2b5de63182293957a244181d1a54d5522e82ae48bff1cebb1dc65b35
02 R 0e5c0ba9515b0ed2f19f446fd3a6cdd9c7b749cee70c3a232b9a0213fb89a3aa
03 R 2be4414bda07cbe4aef267a0d0cbdf9a1e2d4b7137e891bf38e43361848ad165
04 L 6769bba34ceea7bad0b7bbf4aa689e307998bfb57c56456130edfa17538e040d
05 L 19e3c0f147cd6e2458677ffcd6c72f13e28399ba6221ee61cfcee975c7722914
06 R 61c009a4f1f0649562a793b0c0a76093c07402f54d96667ef7ca2aac408d68c9
07 R feae2e60044896177aba61b7bff893f02ee8492f3ee33098bea8b5b85b57b168
root dd9b150eb779a0ccf00cb95d682ad247bf70fb0e5e9368df154c1044e9ddaae7