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 - BOHOL 2ND DEO Award a ₱3.9M contract to 3N CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

fa9dfed075617748ceeb59ba0254e55fcdd3a141376c6d7349234430fe2843db

Status:

Included and unchanged

Block:

#2,843 3,170 blocks after it

Position in block:

Transaction 118 of 121

Award day:

Sep 6, 2016 (10 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND DEO

To:

3N CONSTRUCTION & SUPPLY

Value:

₱3,874,100.00

Project:

16HC0075

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 2ND 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 #2,843 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 - BOHOL 2ND DEO awarded it to 3N CONSTRUCTION & SUPPLY on 2016-09-06.
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 fa9dfed075…2843dbnow …
2. Block Merkle root changed
stored bf7848f9fa…f538d4now …
3. Block #2843 hash changed
stored 97242b738c…caf9c3now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 120 records. Each step hashes the current value together with the sibling shown.

leaf fa9dfed075617748ceeb59ba0254e55fcdd3a141376c6d7349234430fe2843db
01 R fc7db218a374af275af39e0396c3738e3eb761ae658034eb848d8ddfb69ca0c1
02 L 612ac5a31e5177c5beca95dd7047ad8723d78e87e3dfcf146d1b1b721bc4d7d6
03 L 4756f2f901060ad3fa18bf322cf374a624dc71ed7e5649e557ba068da5fa1ad0
04 R 0c34714453c57a037b66bbaf35f05bd68d1e15226bbdfa419607895deb2a17ea
05 L 5cdd7dba26f01f5b18babd4d6feaf7704ffe72da8f0c30c2ec8baa2ff2530c62
06 L 791b9407ad213151b5886724bc7eff308ec443a3d55e91c2ed039f3b60317622
07 L 97cb7ffe717046c3b5138d6ec365883af4a6baba36ca1898b5f7d09416fff216
root bf7848f9fac8f00816cefebc3cebd2db5f636035b0d08af2af24540a13f538d4