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 - ILOCOS SUR 1ST DEO Award a ₱1.4M contract to 739 BUILDERSNational agencies

Transaction hash:

4bd4e670807d32790aa5669cbc2bbac87bd2d7127ca30bc862e17af3731348ff

Status:

Included and unchanged

Block:

#4,381 1,632 blocks after it

Position in block:

Transaction 101 of 345

Award day:

Mar 5, 2021 (5 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DEO

To:

739 BUILDERS

Value:

₱1,445,942.54

Project:

21AC0093

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST 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 #4,381 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 2021 LP", i.e. the FY2021 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 - ILOCOS SUR 1ST DEO awarded it to 739 BUILDERS on 2021-03-05.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21AC0093: 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 2021-06-08). 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 4bd4e67080…1348ffnow …
2. Block Merkle root changed
stored 5705d454b3…db2c2anow …
3. Block #4381 hash changed
stored 62e450eb83…3802f1now …

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

leaf 4bd4e670807d32790aa5669cbc2bbac87bd2d7127ca30bc862e17af3731348ff
01 L 4ac1e67d5e7154b0cbc8a95532fbf48452e36fc5b66752e44c4bb55101a1522d
02 R 78111f665578f1be57bf1945da06257710448fcc8c698e0450556ff8a5cad9ba
03 L 5db4d27bfb3267928a7bc2946e71787f038b6bf9130b88590b856c7e9b25eade
04 R c98dfa9c052d3ec13bb32445c90013e5cf00773158864f8066b47ad05ddca101
05 R 69a04d7d418fae0a6d4691c796768e0ab1dca99321764c512a72261abb304736
06 L a0bcc8bc421b114e331cc9ef01d44effbf1b79125c463a5cf01ae2883737ec32
07 L 10a7fa3f8ee1b54620a7dd541eab593976213b76a252c64ea61a34ab54559947
08 R a27a9e6e4fbae1d1ab375ddd95463a38b83d5d83907088e44461c3e4dcd67dd7
09 R 90e8de663e57919eac7fb59c5a80808bf280e123bb13c4c7d3cfe25edc39986c
root 5705d454b3dba44eb5a82b3fee73726b3bb13e8e073e9b1238217ecabfdb2c2a