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 - SAMAR 2ND DEO Award a ₱9.7M contract to ETAN CONSTRUCTIONNational agencies

Transaction hash:

ec7336b4eb18e408aeae32dca01731ab1f1b6513e12644853a825fe05009a188

Status:

Included and unchanged

Block:

#5,073 940 blocks after it

Position in block:

Transaction 206 of 226

Award day:

Feb 21, 2023 (3 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 2ND DEO

To:

ETAN CONSTRUCTION

Value:

₱9,701,988.73

Project:

23IK0031

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 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 #5,073 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)
DPWH lists the funding source as "Regular Infra - GAA 2023 OO-1", i.e. the FY2023 GAA. The exact UACS line is not given.
Partly
Open
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 - SAMAR 2ND DEO awarded it to ETAN CONSTRUCTION on 2023-02-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23IK0031: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2023-08-04). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 ec7336b4eb…09a188now …
2. Block Merkle root changed
stored db4911ef13…cbee50now …
3. Block #5073 hash changed
stored 27ed0a4a6e…d1cce4now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 225 records. Each step hashes the current value together with the sibling shown.

leaf ec7336b4eb18e408aeae32dca01731ab1f1b6513e12644853a825fe05009a188
01 R ed2ce7f68d74220861ab8ca060c044be2742b15ad399a4cb50d91bde45a8bbd9
02 L 11ef5d685425063a3eba5fe8fdc707d5f6b0e34765f50332c7c724008dcc0e09
03 L 26cf3bfb6440882d584ec18d10696de5c42402ed83c83288a24e3deed701261b
04 L 6bd8578ada2f716098f2e11bbc920c91d80ec6687dec2cf977577af0aa77f84a
05 R 9c7d35ad6aae5bbe1de288f995763091d3f588f1c48bbe700e5e6424c7c8bf92
06 R b9252663bda6d848eeacb1e6af017b5092aa3625fbfafd54ccb898231779bd54
07 L d445aa7ad40d6847927155505409e45211224cffd4ec6ac965fb10a9c28d163d
08 L b249991833c7753814d1acaff375bf1f37682ac45cdf223e246b4d06a744710d
root db4911ef139e15230ac2deaca88cf0ffbe95a9980bcd40cf84a9a89a2acbee50