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 -CAMARINES SUR 1ST D Award a ₱190.0K contract to PHIL MANNA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

aefc9cc77dbb5a0d0a672b01e8a82b2d404f46d116a7f337e0e2f28a8e78ed66

Status:

Included and unchanged

Block:

#1,472 4,541 blocks after it

Position in block:

Transaction 36 of 53

Award day:

Jun 4, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 1ST D

To:

PHIL MANNA CONSTRUCTION AND SUPPLY

Value:

₱190,000.00

Project:

Construction of Rainwater Collector at Mambayawas E/S and Awayan E/S, Libmanan, Camarines Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 1ST D

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 #1,472 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 -CAMARINES SUR 1ST D awarded it to PHIL MANNA CONSTRUCTION AND SUPPLY on 2012-06-04.
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 aefc9cc77d…78ed66now …
2. Block Merkle root changed
stored edc4210b8a…8906dbnow …
3. Block #1472 hash changed
stored 56b645b806…dce79bnow …

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

leaf aefc9cc77dbb5a0d0a672b01e8a82b2d404f46d116a7f337e0e2f28a8e78ed66
01 R b1569282a010160126a55803f292d8dfb86c622fb83f12925a6a378b7d3c4a2f
02 R 0d58479fb4bdcf65a29a2f373636f9a086fa0f768156a3b018a727e3156b00f9
03 L 81eb8c7315505552b35081b74108f1edfc36a90a33aeec14e4d036f079c3ce36
04 R 8e81b439655b41cdca8bd87c4eca9b775c9689532d3a79d72136c705cbcff447
05 R d598e9e120857677fa942694601854136ab1d7771763f182da866b267927ebed
06 L f5021972d452fff03fd48cd6d2d9ba0ecc3fdd86b09c509e7297ea3aa0886e19
root edc4210b8a1b1df59abb11b565f9917e30b634c8abc32567e4e28380258906db