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 - MAIN Award a ₱512.2M contract to CHINA HENAN SHUILI YIJUNational agencies

Transaction hash:

2da4e6699a555f340e77cfb620d0d4732c6c4e3b9cb917f8b5fc5e3473fe4251

Status:

Included and unchanged

Block:

#952 5,061 blocks after it

Position in block:

Transaction 3 of 19

Award day:

Sep 10, 2010 (16 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

To:

CHINA HENAN SHUILI YIJU

Value:

₱512,246,673.04

Project:

National Roads Improvement and Management Program, Phase II (NRIMP-2) Landslide Risk Mitigation, Mindanao, Contract Package RI-2.10 Disgos-General Santos Road and Davao-Calinan-Buda Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

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 #952 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 - MAIN awarded it to CHINA HENAN SHUILI YIJU on 2010-09-10.
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 2da4e6699a…fe4251now …
2. Block Merkle root changed
stored 7d87459a32…12b381now …
3. Block #952 hash changed
stored 65884b86c9…e6f718now …

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 2da4e6699a555f340e77cfb620d0d4732c6c4e3b9cb917f8b5fc5e3473fe4251
01 L 2d277a549bfb357097b6c6e8f35fd22f5e4589a630f8ad242507bd9c724dfe49
02 L d04964f5445f92072cf6499f0ca61f5355b725e5afebc7a559ed5b44f640ec5f
03 R 43b8bec2739f3f266a01454cfaa02583b207a991d1de9a3be0dc41c20aa40ade
04 R 648094d260a5df660d346736dbbd53361261d3fe76e5e55c0cd20184709add36
05 R 0a53868c8cbbba5a0f00a3e5ab31ac2f6e6a2d25d92bab57d6a865afad177630
root 7d87459a32e5fa6ac50df4949fa8a1aaf1e91488dbec478cb465e569d412b381