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 ₱19.3M contract to R.A. PAHATI GRAVEL AND SANDNational agencies

Transaction hash:

47c566c55c1aaa2bbbe91ea2a7c1c048bc51f368c97ed69db1042b61ed2762d3

Status:

Included and unchanged

Block:

#861 5,152 blocks after it

Position in block:

Transaction 4 of 11

Award day:

May 14, 2010 (16 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

R.A. PAHATI GRAVEL AND SAND

Value:

₱19,294,839.42

Project:

Repair/Restoration of Damaged Asphalt Pavement along Carmen Jctn.-Bayambang road, Alcala-Bautista Section, Alcala-Bautista Section with exceptions, 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 #861 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 R.A. PAHATI GRAVEL AND SAND on 2010-05-14.
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 47c566c55c…2762d3now …
2. Block Merkle root changed
stored 954ba610bd…9d4e25now …
3. Block #861 hash changed
stored 5b2df7eac7…c54710now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 10 records. Each step hashes the current value together with the sibling shown.

leaf 47c566c55c1aaa2bbbe91ea2a7c1c048bc51f368c97ed69db1042b61ed2762d3
01 R 8192ac4a00711ca550f4c1cd82b96efe55656425ee92ab712dbe534f18d4fe2e
02 R 193db91c86ed858a0e246af0e5f6f84f61424a6de03c39b02befdd6737747f0c
03 L 4e2f600b3f3ac2b9616b9add6dc07673c677a03ee33f151cd3eeb24e54c4f9c4
04 R 26c7b0cebd09d5c4ee0d7a14da693629c73a3177138fc371f93349ef8362cb6b
root 954ba610bd69c1609c5ac7ee07f17c7525e15387e5b4945f1f66b8f18e9d4e25