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 3RD Award a ₱1.4M contract to IA FERRER CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

a8038895f08f0668d251f5d29c7d7e5b890ffb7647e91351d1c575b8eb7d8f22

Status:

Included and unchanged

Block:

#1,803 4,210 blocks after it

Position in block:

Transaction 82 of 112

Award day:

Jul 15, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 3RD

To:

IA FERRER CONSTRUCTION & SUPPLY

Value:

₱1,426,500.00

Project:

Construction of 1-S 2-CL School Bldg. (Nato HS)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 3RD

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 #1,803 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 3RD awarded it to IA FERRER CONSTRUCTION & SUPPLY on 2013-07-15.
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 a8038895f0…7d8f22now …
2. Block Merkle root changed
stored b23359559d…cb6c84now …
3. Block #1803 hash changed
stored 443ab6b7d2…4b370enow …

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

leaf a8038895f08f0668d251f5d29c7d7e5b890ffb7647e91351d1c575b8eb7d8f22
01 R ac92a7bbb585691ff488e2761fe4b14287ad24340e9d2111cdb42d7401cde57f
02 L 11327d71418a99c2f35b26c2e523b9db0a9852e17ba13aa6948537bbc49f1683
03 R 1d52af3a440c626abd4809ea678cd9e581f00fef88a24d3b46cbe3780ba828de
04 R 4dc22d4e6b298d5634fbc47afd53ca15915311119f24019a0ecb5facd1945a56
05 L 5408cf8e8f9ed08803e098617f00a642581ee0d5528d4fcc809e4cf79b491b78
06 R 150a08a12f057ceb7389b7b0d652a3e506af238e29aad914a3fa3cb011c44de8
07 L 51b4d9527478d4be986704d38ad8b0a7f745b89c0e1be2bb0c25927886064a5f
root b23359559dc333ec4ed0fc0f4e1b7abbc1a5e85de12a6b92c3812f7743cb6c84