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 ED Award a ₱33.7M contract to R.V. LABORTE BUILDERSNational agencies

Transaction hash:

7bf4f15db18ce408ebdff533cceb6a2ba1b7a53cac40cb67cb33208d91ccef4a

Status:

Included and unchanged

Block:

#1,414 4,599 blocks after it

Position in block:

Transaction 42 of 81

Award day:

Mar 29, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

R.V. LABORTE BUILDERS

Value:

₱33,662,060.62

Project:

Construction of Lucena Diversion Talao-Talao Port Road Incl. RROW, Lucena City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND 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 #1,414 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 ED awarded it to R.V. LABORTE BUILDERS on 2012-03-29.
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 7bf4f15db1…ccef4anow …
2. Block Merkle root changed
stored a41ea6a576…2c3c6dnow …
3. Block #1414 hash changed
stored d585fb71f0…4c0ae2now …

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

leaf 7bf4f15db18ce408ebdff533cceb6a2ba1b7a53cac40cb67cb33208d91ccef4a
01 R 7c7bcfb2267460d6cce403892d99d4e9e4269f72451bb68c9414f8b16e1d9010
02 L cd7e8d3a060dc63fa42c1aa49dffbfc2cd8551ecc6394da63a89944c0976f6d1
03 R 727d6e7aac856004406f0ade24f0c1419f78a62317eebab2fb775595ace48199
04 L c7682cfb6ebe0ad319aa852c745e84eca6e38a7019077f22f9ca04e94a8fcdef
05 R a1f6fcbb4eed78b42b9804b1a0326a7abcfa9a80eefc366fe847472b161e3665
06 L fb124d43ec5b830f6e15c7bd4cc797357259d004b59192ad23377971f88549c3
07 R 6e5bc5e79a6b568484b173b887aeff86374009f31b3e84148c523591cc8156b9
root a41ea6a57677758e4dc64606efc4b83f35b722c73ca5d115e134ea9a4e2c3c6d