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 - QCFED Award a ₱954.3K contract to VANMARVIL CONSTRUCTIONNational agencies

Transaction hash:

79c5b56bca84da456a0cc0cdb1bd8c3d31db98201b47ee2a49fdc63537fdae69

Status:

Included and unchanged

Block:

#518 5,495 blocks after it

Position in block:

Transaction 8 of 19

Award day:

Jan 22, 2009 (17 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

To:

VANMARVIL CONSTRUCTION

Value:

₱954,325.00

Project:

Construction of Multi-Purpose Bldg. at San Agustin Village, Brgy. Talipapa Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

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 #518 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 - QCFED awarded it to VANMARVIL CONSTRUCTION on 2009-01-22.
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 79c5b56bca…fdae69now …
2. Block Merkle root changed
stored 7ff588f56b…82867dnow …
3. Block #518 hash changed
stored e28a4c16f2…89e12cnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.

leaf 79c5b56bca84da456a0cc0cdb1bd8c3d31db98201b47ee2a49fdc63537fdae69
01 R 80a74114973434dfb1b4b7bc56f6c62853406222a199084b79fa73cd9321c062
02 R 4b39cfade6f80d45deb79b8a08afaca8c3b8439d79d61e9084a49de0fbc53d98
03 R 28449c51865140c2d953a4c6945e24bfe6e15a9b54645f5517a9a61fd6c9dd01
04 L f13b6a24582b10e5cfa106b831bc8dcb2b3795a90aa4de7f62917d9ea92a03b7
05 R 3ad5444fa7fb174b3ec6bcf1dbb66fe43cb39f5d2d2c171413e0311de5582ac0
root 7ff588f56ba28eff20beb603aac9172c4216cdd149919d65da693f261e82867d