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 & HIGHWAYS - ILOCOS NORTE 1ST DEO Award a ₱945.2K contract to BADOC BUILDERS & SUPPLYNational agencies

Transaction hash:

40bedcbb6e74886da71b745cd40e76a03a1def2c1c252e99d41f4f46f1e2fba5

Status:

Included and unchanged

Block:

#813 5,200 blocks after it

Position in block:

Transaction 17 of 71

Award day:

Mar 4, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST DEO

To:

BADOC BUILDERS & SUPPLY

Value:

₱945,204.40

Project:

Repair of Brass Dam, Brgy. 33 Cabulalaan, Bacarra, I.N.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST 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 #813 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 & HIGHWAYS - ILOCOS NORTE 1ST DEO awarded it to BADOC BUILDERS & SUPPLY on 2010-03-04.
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 40bedcbb6e…e2fba5now …
2. Block Merkle root changed
stored 5efeffa113…b62a13now …
3. Block #813 hash changed
stored ce97a72084…5a10c7now …

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

leaf 40bedcbb6e74886da71b745cd40e76a03a1def2c1c252e99d41f4f46f1e2fba5
01 L 40b5abcf4c8e064b5e9c3b496091b3b6e3c0bd41ef9b732af12040b896f3ad90
02 R a04babbc53138de538037a276b9a0ea47ce1e25f81e3b41adee3f06e9c515016
03 R 445b3af5505fdb38f68ad29d1e3e797cab26c9cdcb6feb55a42056b3428854fd
04 R 2c92b85f0858ad0e7fdff1fa59af2a16632571d536179b158fb5e373656f0ff8
05 L 82685cb7e1cedc1fed85627d7bb66c25258b8159be27d5fc34cf47d8c8bd081c
06 R e4e8a61d63ee0a853845cbfbadb39541d81e295c8bdb555cfa7de3eecfe5dd66
07 R ad207440462eeb2910a0a54e49da2f506c757f06064fd6a01cc8c5360e34a2df
root 5efeffa1137f08d7bdf87b2b8fc619a9bbf90fe57afdfdc1c96084ee23b62a13