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 - TACLOBAN CITY SDEO Award a ₱4.9M contract to YFL BUILDERSNational agencies

Transaction hash:

d6ab2a9305ab3bc2dbf2ef861906daae7d972fb212d84324e063bf0e18cdb758

Status:

Included and unchanged

Block:

#5,618 395 blocks after it

Position in block:

Transaction 232 of 268

Award day:

Sep 10, 2024 (2 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

YFL BUILDERS

Value:

₱4,942,777.07

Project:

24IM0096

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #5,618 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 2024 SSP", i.e. the FY2024 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 - TACLOBAN CITY SDEO awarded it to YFL BUILDERS on 2024-09-10.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 24IM0096: 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 2025-01-05). 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 d6ab2a9305…cdb758now …
2. Block Merkle root changed
stored 53466b36ba…8a2d3dnow …
3. Block #5618 hash changed
stored a007d581af…e45bf6now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 267 records. Each step hashes the current value together with the sibling shown.

leaf d6ab2a9305ab3bc2dbf2ef861906daae7d972fb212d84324e063bf0e18cdb758
01 R d6c8b6001750f4a0a51a6d37429996a30ca79598d411abd54cf52da3a5cb573e
02 R 372cd0d2e9f5dbc170937269f62205ebfccb163d57cf3c30ed01487ee9043985
03 R 1c96c24740a733c39010ed49711bdf842b169ce702239211dd5c3a586b00e77c
04 L 6685ffebcffca7d7157c87af99ccf98d7cba7fce06c929ff202aa1f0eda640a9
05 R 89e4e1de5b380155c71eb8421280bb7ba2581f49f3ca1d42cbea3abaedc7e5a9
06 L 53cbce14427b827b2c366926a8edb71037eba4ab4bbc5f46f4bd3f4e00334232
07 L 50f24a582c51ae2aa4bf55fb7fab52aae965e9882665593852bb45dd1f8eaa11
08 L bb71004903c45f5688c92e249d6cc88a57ed24ac3c0dc81aef29d9faa5c1e8f6
09 R 54139fb32a15381997dee12f8bb2102a2989037e438c188addc53d9d7d31de5c
root 53466b36ba7864f16f997b1a86958dc072168e8dc5862306ff2bd3aa078a2d3d