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 2ND DEO Award a ₱237.5K contract to L.A. CLAMOR CONSTRUCTIONNational agencies

Transaction hash:

4e76de4e822e5c822e651f77cd65602c435138071bcc464cafea61608f4ff6f7

Status:

Included and unchanged

Block:

#1,081 4,932 blocks after it

Position in block:

Transaction 6 of 33

Award day:

Feb 24, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

L.A. CLAMOR CONSTRUCTION

Value:

₱237,496.00

Project:

Construction of Multi-Purpose Pavement at San Jose Elem. School, Tiaong, Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 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 #1,081 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 2ND DEO awarded it to L.A. CLAMOR CONSTRUCTION on 2011-02-24.
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 4e76de4e82…4ff6f7now …
2. Block Merkle root changed
stored b7428c11a2…7b4b77now …
3. Block #1081 hash changed
stored 40ccbdb8aa…247401now …

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

leaf 4e76de4e822e5c822e651f77cd65602c435138071bcc464cafea61608f4ff6f7
01 R 501856859c6c48cedc417db7fd6713283d6c0ba5d1a3754cd604a006f4d06075
02 L cb1230695a7232a2032f43580ba9e523603d1b1f5304afada93fa1bb1342fab5
03 L bc1e3e074cd8676982b2e02bcff69bae2d9999b972eed357972380f3300ccb63
04 R 0c364093a6e08f21808564876d850afa42b97fbfc6785547538da86c63e0683c
05 R de0221f05e03f4b4fcf794e580d1a9bb5fdd205c6efaeceae90f25279f2ae9f3
06 R b6cc83e06e339b2d43b526f460bf9e2c59da0d376945a5f1810e631dd684cd04
root b7428c11a22d7d2e4a9fe5c90d6ce9c953c64050383e2c1939410926087b4b77