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 - LEYTE 4TH DEO Award a ₱386.6K contract to JUCONS CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

b4f90046ecd1d025accf2ebc0ce09034b81a2b7769eafb3eacda8d3223c8d6f4

Status:

Included and unchanged

Block:

#1,202 4,811 blocks after it

Position in block:

Transaction 32 of 43

Award day:

Jul 27, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH DEO

To:

JUCONS CONSTRUCTION & SUPPLY

Value:

₱386,558.17

Project:

Construction of Water System, Brgy. Masumbang, Merida, Leyte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 4TH 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 #1,202 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 - LEYTE 4TH DEO awarded it to JUCONS CONSTRUCTION & SUPPLY on 2011-07-27.
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 b4f90046ec…c8d6f4now …
2. Block Merkle root changed
stored 4019e05d86…cabefbnow …
3. Block #1202 hash changed
stored 0a30dd6e0c…75fe36now …

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

leaf b4f90046ecd1d025accf2ebc0ce09034b81a2b7769eafb3eacda8d3223c8d6f4
01 R ba31efc4f68a12a7d6a710bbf79aac9b7efb49344657a6c3d592bd32782793ed
02 R 79d52869974d442802ff8be76f42dab4c0c3388cb25bef7e286f98863cd0ae05
03 R a39167a442b066d2d3b401198c88a09b5b40e933719b21c45110afdf6da99d62
04 R c743677e32d885d94813e2f86c5fa99012741241b73fcc0f9bbb181040153ce5
05 R 20c1bc24ddf5036ebe733a6a430f4eb75debaa6ce278107d6f408e9284c71b67
06 L f71a93254259a56e595d9ec65734c71c41d635bf47befd479fac512ff4ddcf1c
root 4019e05d86c2c100a6022b034fa55b0548590b6da3672acb04e6a0116ccabefb