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 - SAMAR 1ST DEO Award a ₱3.1M contract to ND CARANZO BUILDERS AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:

cf8a7e7c7ae43c98604c43065aea398338bdaeccc5c515fbece2c085ae68326c

Status:

Included and unchanged

Block:

#4,969 1,044 blocks after it

Position in block:

Transaction 239 of 287

Award day:

Nov 7, 2022 (4 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 1ST DEO

To:

ND CARANZO BUILDERS AND CONSTRUCTION SUPPLY

Value:

₱3,137,895.30

Project:

22IJ-0096(RWCS)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 1ST 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 #4,969 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 - SAMAR 1ST DEO awarded it to ND CARANZO BUILDERS AND CONSTRUCTION SUPPLY on 2022-11-07.
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 cf8a7e7c7a…68326cnow …
2. Block Merkle root changed
stored 9722861127…1f72ednow …
3. Block #4969 hash changed
stored fc3c20c323…e771e7now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 286 records. Each step hashes the current value together with the sibling shown.

leaf cf8a7e7c7ae43c98604c43065aea398338bdaeccc5c515fbece2c085ae68326c
01 L cf37ffb8c786d67270fdbe3d13145d802f696b8cab4385965d30394c3dc50518
02 L f8ef37d911c600c6d2d1d3dc7cf88237f584459f9c20308f432b1715ee02a1ef
03 L 8b78371d6d444889c7894ceb71a78c253eb6173f22048d41b555e290175bc746
04 L b5857f885d019e3ac579911093935ba011dec211d1207ce8832d6731d045a4eb
05 R 84148d627587e249851236f04fa088860ddcee8dc9beb6b2c9fe6a0b59e6f381
06 L f935d9c8ab0f965cebbcf451e4c64f5d4d1aed4bcf442083edd51e7fe45fa16e
07 L a89c47f9b2797be6d7f4101a29dd1a612acf02c7027dc3cbede289840348665f
08 L ac981e92a56dd7b2eb59509ed3b5ba5b7d93a35450a3840583273bad44cae494
09 R aa848dc0dae783ff1e90280e63e55889deab11355aeacb7685191d6d846144a6
root 972286112767826cb1ba7c1b4fc6035ad486810c2939d3bd85c76851771f72ed