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 - CAGAYAN DE ORO CIT Award a ₱3.7M contract to A.R. & MARK BUILDERSNational agencies

Transaction hash:

617cc4f1b1d35f3ceaee3fb837920356df64714af8e14a8fac59c2551717e936

Status:

Included and unchanged

Block:

#1,599 4,414 blocks after it

Position in block:

Transaction 25 of 80

Award day:

Oct 31, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN DE ORO CIT

To:

A.R. & MARK BUILDERS

Value:

₱3,736,744.01

Project:

Construction/Concreting of Roads, Barangay Macasandig, Cagayan de Oro City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN DE ORO CIT

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 #1,599 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 - CAGAYAN DE ORO CIT awarded it to A.R. & MARK BUILDERS on 2012-10-31.
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 617cc4f1b1…17e936now …
2. Block Merkle root changed
stored a5bcdc34d5…0f0d8fnow …
3. Block #1599 hash changed
stored 72270c42f0…cbb133now …

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

leaf 617cc4f1b1d35f3ceaee3fb837920356df64714af8e14a8fac59c2551717e936
01 L 5f1bd5ba3b9eae10db1c86ad084ef66b3a1e5496633bef355b1e6a01edeb949f
02 R 26fa3234339d4d00de2b18dfbd40bb07852fa6072bb9190b242cdab700848bb3
03 R 040c202088c018a1ac2f5aa17a64886b7bfa091058c3aeed48ba03c18e1d7096
04 L 450dacbb8777535ba92e0717babe9232b88fda212bc7d1b8d8960d20846d183d
05 L 598885cdd6949cd84262d83f8de38d3253a6364a54b7e3f5087fa088f0576c1a
06 R 03b9caf75aa12c5b53ed8a47057f1f7d21ec5d330c8df17b64b091b5a0da0a51
07 R a83e3bc7e685bd290d7b4a935f2118bb197a57594333fd1491cd02611a66c0e8
root a5bcdc34d53ae0980367ca70c75a21f5abb68080d04b624fae7e2fb0d40f0d8f