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 - PANGASINAN 3RD DEO Award a ₱1.9M contract to 2-R CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

397083df39cd28faed263be767de76eb4fc1c1573fca3d753f4a62ad8a44cf67

Status:

Included and unchanged

Block:

#800 5,213 blocks after it

Position in block:

Transaction 7 of 20

Award day:

Feb 16, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

2-R CONSTRUCTION & SUPPLY

Value:

₱1,927,499.56

Project:

Repair/Restoration of Manila North Road, km. 174+000-km. 176+000, San Nicolas-Bacag SEct., with exception, Villasis, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD 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 #800 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 - PANGASINAN 3RD DEO awarded it to 2-R CONSTRUCTION & SUPPLY on 2010-02-16.
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 397083df39…44cf67now …
2. Block Merkle root changed
stored b67c900a6b…14334anow …
3. Block #800 hash changed
stored 424bc67b9d…5dd337now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.

leaf 397083df39cd28faed263be767de76eb4fc1c1573fca3d753f4a62ad8a44cf67
01 L 34f0d44a51dd45cf45a84f211893044e74098c1aa475b12d6abe09b7c643d697
02 L b368f1bad1f4c849e77302cc085291331b4d51b7a0792ab9d7d93d83f8e38072
03 L 8262c136c8a48231adb8c85adef01a1ecfb0c25d41a81a6a2b93988e22aee6f2
04 R 0fe8b9bf618264fe49bd64fdff5a82d96151e5edd67f76af7a57deee9de85b18
05 R 64bc2ba38deff9adab49a37c3f756c3ffb981fd16cb3999a0c2b372b8d8661d7
root b67c900a6bfdb987056b90ea1ef8822e8fdce83192e5023d69c97fbb5d14334a