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 - SURIGAO DEL SUR 1S Award a ₱1.1M contract to DOMARAX CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

779a7332c72d7d9cffd663c0aa0a830615e82fdb9140645385b9da56b27c579d

Status:

Included and unchanged

Block:

#809 5,204 blocks after it

Position in block:

Transaction 52 of 123

Award day:

Feb 26, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

DOMARAX CONSTRUCTION AND DEVELOPMENT

Value:

₱1,099,949.33

Project:

Construction of MPB for SSPSC-San Miguel Campus,San Miguel and Brgy. Siagao, San Miguel,Sds

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #809 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 - SURIGAO DEL SUR 1S awarded it to DOMARAX CONSTRUCTION AND DEVELOPMENT on 2010-02-26.
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 779a7332c7…7c579dnow …
2. Block Merkle root changed
stored 716911ac78…286a50now …
3. Block #809 hash changed
stored 9c1b8a7013…9ea9danow …

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

leaf 779a7332c72d7d9cffd663c0aa0a830615e82fdb9140645385b9da56b27c579d
01 R 78c3cf933493ccc48bc871665dc28eabd427ab3773c7134676e3021612ea3f0c
02 R e8c0a93987c8c3e374f2ce81c1b51635cfaa63ff8646881615eb2f71378f79fc
03 L 2d5bbba8edf3f30416d244d2010aed4e4ea2451e860bbc24903240219be0e234
04 R d249d1362583a40ba8ccb7813abe0337ef5b9783ec48ee7b39bd0036cabae9f9
05 L 07cf73c5aff586b51d51260fe2623e051ea54c3b5f9dad24f6e587e100fc074a
06 L 0652779cade80b0674304e32d4ccbe1720b42ac70140bac8086cc4dc0b5d78e6
07 R 15e7890bdfd62e6b16592889047dcfb2af608ab980f7f253cd6497b2aff4bc9a
root 716911ac7832050dda6d756d79e5c40ce66a02436014bc512f6ede05e2286a50