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

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE Award a ₱2.9M contract to JERRY R. SANTIAGO CONSTRUCTIONNational agencies

Transaction hash:

3ca4e4443f4567a6c83ec722191f70b8de6c6bac6237d3d6bfd069af57176b8f

Status:

Included and unchanged

Block:

#1,265 4,748 blocks after it

Position in block:

Transaction 9 of 56

Award day:

Oct 11, 2011 (15 yrs 1 mo ago)

From:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

To:

JERRY R. SANTIAGO CONSTRUCTION

Value:

₱2,939,435.27

Project:

11-CF-0071 Conc. of Roads & Const. of Box Culvert, Brgy. Poblacion, San Roque, Sto. Cristo & Mangga, San Isidro, N.E.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

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 #1,265 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)
DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE awarded it to JERRY R. SANTIAGO CONSTRUCTION on 2011-10-11.
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 3ca4e4443f…176b8fnow …
2. Block Merkle root changed
stored 590b478897…e6a18anow …
3. Block #1265 hash changed
stored 31d71f1210…6d8430now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.

leaf 3ca4e4443f4567a6c83ec722191f70b8de6c6bac6237d3d6bfd069af57176b8f
01 L 38aff8dc58124fcbefc501ea8f338d1ca017a1ed8f482ac21b3f8e258dcbfa19
02 R eb2ee57e5c7e8ee551bed092af0720a43c08285e08c357a970fe9cc1da8cee92
03 R 28cf9c4375a7ac302fdda48eab28d8d2e0b5408c714107ce1f5c1be63788a7cb
04 L 56476eea0d213774d423f168f086319a1cdc058e698583dc5cb4b3346f2a63d2
05 R b58f594eec933849a98e28a3658d93725e94214cd6ca299e19af49a0b03acdb8
06 R 476ff37804a37e58558ac069eaac68c6f79f50e778dffd63ce6799f6cce497f6
root 590b47889709aede436b472b3db6598d68c73c1eb0f5b0cbf579a609ede6a18a