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 - CATANDUANES ED Award a ₱12.6M contract to JD CONSTRUCTIONNational agencies

Transaction hash:

134bcab9f135d6e335bbf1df8c99442a2d071d18b03cd3125bb7c784f7f31ce1

Status:

Included and unchanged

Block:

#1,163 4,850 blocks after it

Position in block:

Transaction 2 of 37

Award day:

Jun 9, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

JD CONSTRUCTION

Value:

₱12,618,597.00

Project:

ROAD UPGRADING (GRAVEL TO PAVED) BASED ON GRAVEL ROAD STRATEGIES, TRAFFIC BENCHMARK FOR UPGRADING TO PAVED ROAD STANDARD (HDM 4-PROJECT ANALYSIS) JCT. BATO-BARAS ROAD (K0021+043-K0021+375) TILOD SECTI

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

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 #1,163 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 - CATANDUANES ED awarded it to JD CONSTRUCTION on 2011-06-09.
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 134bcab9f1…f31ce1now …
2. Block Merkle root changed
stored 393734f8e6…7156b8now …
3. Block #1163 hash changed
stored ef3c5f2dd2…f7edabnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 36 records. Each step hashes the current value together with the sibling shown.

leaf 134bcab9f135d6e335bbf1df8c99442a2d071d18b03cd3125bb7c784f7f31ce1
01 R 159fb5e431c2a48ffa88521f18a6237d557905674583f816908d5b3859dc59af
02 L 9c9e96546e1ec729b19203c58b4618a0467fb2c5ca1a9621217ef34c492aee31
03 R d94870f4a9186701a1f3ef8c75c1afcc1c09d1cea9f4749a42be0581e7b451ca
04 R 29e3ec565f786a3578c778e7eef16190f630ace88f961fead0b79c2e1a51ec06
05 R cfb1ab54ac24d11b2955589473570eb854ffddf626a628f9354bf744f3766c25
06 R e99c1cc30c654904689c889d3630d7f83a348a93722d930933f68a950889fadf
root 393734f8e6bd0212d99a3ca5c64c6a2f3490832122245273413465783e7156b8