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 - LAGUNA 3RD DISTRIC Award a ₱21.3M contract to DANRICH BUILDERS CORPORATIONNational agencies

Transaction hash:

af8b4cb38e6f6bfdfa4cd4e87fbb72e4209bc72a254e898662cf5ee31d3ed860

Status:

Included and unchanged

Block:

#5,971 42 blocks after it

Position in block:

Transaction 29 of 44

Award day:

Sep 23, 2025 (1 yr 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 3RD DISTRIC

To:

DANRICH BUILDERS CORPORATION

Value:

₱21,258,308.00

Project:

25DP0095

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 3RD DISTRIC

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 #5,971 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 - LAGUNA 3RD DISTRIC awarded it to DANRICH BUILDERS CORPORATION on 2025-09-23.
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 af8b4cb38e…3ed860now …
2. Block Merkle root changed
stored 84bec93633…2ec018now …
3. Block #5971 hash changed
stored 443c71ed4a…6eb7abnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 43 records. Each step hashes the current value together with the sibling shown.

leaf af8b4cb38e6f6bfdfa4cd4e87fbb72e4209bc72a254e898662cf5ee31d3ed860
01 L a8f8abda863d18473ebf9cbc9dbb11e88beaa93b68d1558f6f5e9f71f35710c4
02 R 512ddf5ac56c0e9b69cc97485457ea40357c840d5018d4632f141ba9d6cbc6ba
03 L f2e4fbabce62e968483b25a854696271c169624936583df4b41042429b948432
04 L 578b0410bb15a830e1d2d82034b12b4921d150c1119d44f8a21ccb0b3cd10d8b
05 L ec9b169739ace5f43bdcfe6f17679234d051252745a716826da953cb3457128e
06 R cef3bff3be07f969263276a36a3b844ce019360dce6e803fc2ef20d321000f64
root 84bec9363352f36f294e25ed08fe247501003df1a16d2f472d1f51dcfd2ec018