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 - ILOCOS SUR 2ND DEO Award a ₱212.5K contract to VILLAR GENERAL CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

d22a170ccfbc206d829a02ceff4b57dead90c7d0693871c08a5243a432458618

Status:

Included and unchanged

Block:

#2,891 3,122 blocks after it

Position in block:

Transaction 88 of 113

Award day:

Oct 27, 2016 (10 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 2ND DEO

To:

VILLAR GENERAL CONSTRUCTION & SUPPLIES

Value:

₱212,473.92

Project:

16AD0122

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 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 #2,891 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 - ILOCOS SUR 2ND DEO awarded it to VILLAR GENERAL CONSTRUCTION & SUPPLIES on 2016-10-27.
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 d22a170ccf…458618now …
2. Block Merkle root changed
stored 1c1da7ee5d…08ffc7now …
3. Block #2891 hash changed
stored 33ae6bcc70…14f0e2now …

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

leaf d22a170ccfbc206d829a02ceff4b57dead90c7d0693871c08a5243a432458618
01 R d575a4b692d85b96d52a194b4bdb8fb3d4356afdbb1639aed084dde99dced9c8
02 R da5f251414d42a48ef0f08c52143921195d88f6fb4c495de4e0113a0ae546294
03 R e04e617d806cf03f6c69754452f2b1f472aa4011e8d6dab7535f40c550d5c38b
04 L 1e92b2e7fca46febccc17aa6aa26dbbc36feca93e447791d7b9e863eccb8cc7c
05 L 736700ec39b15efa6123dcfa2c5a85be477732b72d6be36a19600e011be384bf
06 R 3804789777100cf982a96dba91da0f8e529542c7cb6ec609bf3a96ade5170574
07 L bb7e708c0bd293298282f8bd7fc79c855ee27eb3d0f354729b3d561d2674646e
root 1c1da7ee5d780c1a5e7da7bf8cd52c1a13123f0eb7ddc3d5241c3b169a08ffc7