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 - ISABELA 3RD DEO Award a ₱600.9K contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

d07fea18f30b8ebe1020effb5897f8d3a4f0102b5ba427a7b703cbdd04717c3d

Status:

Included and unchanged

Block:

#891 5,122 blocks after it

Position in block:

Transaction 9 of 12

Award day:

Jun 23, 2010 (16 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱600,907.84

Project:

Installation of Informative Signs Along Daang Maharlika and Santiago-Tuguegarao Road, K0344+(-039) to K0380+257, K0342+(-038) to K0363+993 (with exception

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #891 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 - ISABELA 3RD DEO awarded it to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS on 2010-06-23.
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 d07fea18f3…717c3dnow …
2. Block Merkle root changed
stored 11cbbdee94…975e3bnow …
3. Block #891 hash changed
stored 424ac530ae…0b3fc8now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 11 records. Each step hashes the current value together with the sibling shown.

leaf d07fea18f30b8ebe1020effb5897f8d3a4f0102b5ba427a7b703cbdd04717c3d
01 L 87c6339c5e032e9b9eafe90d0eab94bfbd0bce03f448c08c04ef046a850d20d4
02 R 312d094af7d0a4e80c1cff9084ef2f2ed83f2baf48a97a4f921f84d2fc8c7454
03 R f2af3a7f58b1dab765e26b256ffd2ce2f7fc8a6a82dc46169f61b0889c42b860
04 L 5cd0616720bd23578d33e233d972580d74894efe65a8584def20f598dd4bbd8a
root 11cbbdee948c805e28ea55ad3a958ee35bafbf627744ca584abcfd5066975e3b