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 ₱2.5M contract to R.V. LABORTE BUILDERSNational agencies

Transaction hash:

4e95a283c01a2bc900b5a2b9f013f8a03b10dacd923d5b30216d2f6066da0a84

Status:

Included and unchanged

Block:

#1,290 4,723 blocks after it

Position in block:

Transaction 21 of 79

Award day:

Nov 9, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

R.V. LABORTE BUILDERS

Value:

₱2,465,026.85

Project:

Concreting of Brgy. Antonino Farm to MArket Road, Dolores,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 #1,290 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 R.V. LABORTE BUILDERS on 2011-11-09.
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 4e95a283c0…da0a84now …
2. Block Merkle root changed
stored cddb4caac4…e952aanow …
3. Block #1290 hash changed
stored 0c482f270b…bfb4eanow …

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

leaf 4e95a283c01a2bc900b5a2b9f013f8a03b10dacd923d5b30216d2f6066da0a84
01 L 44ce5c9859ea8cf73284d648947016529ba658b9df2ef5f69b68362f023728e7
02 R 93db4416d8d1812ac92c7b78c2236a5db2602f9e54777d499aa4555d7caa69a7
03 L 6cb6a01d6ea27dd7f73efa99153546cb7386dd2b351650c37d1e17402e6c9e80
04 R 8400503f3bc6027459d3b274db0b941e1c4b3628538c7e315fb5f9fdfc81f919
05 L 282c070716e9f2da6edfe48c792f812b141ed771717ee2d7f3a01c76342393fc
06 R 1d93a54b88708b2d98cec1257c459afa6035a7be739c3f736f072c2c01449857
07 R 4384e9c21a38e45edaa4edc0c2b27d8a898966660ac3d55eb0ef4f43cae8880f
root cddb4caac432159c7f866df38d44082c5adff5adbc6e7e516955514759e952aa