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

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN Award a ₱886.2K contract to SIMPLIFIED BUILDERSNational agencies

Transaction hash:

f482dd51c7f7e5f39f4f982bee7000b6403db6d47f3a47e18c07d1d46874d8f7

Status:

Included and unchanged

Block:

#81 5,932 blocks after it

Position in block:

Transaction 83 of 90

Award day:

Mar 23, 2007 (19 yrs 7 mo ago)

From:

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN

To:

SIMPLIFIED BUILDERS

Value:

₱886,176.20

Project:

Reroofing Works, College of Engineering Library and Computer Science Building, University of the Philippines Diliman

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN

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 #81 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)
UNIVERSITY OF THE PHILIPPINES SYSTEM - DILIMAN awarded it to SIMPLIFIED BUILDERS on 2007-03-23.
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 f482dd51c7…74d8f7now …
2. Block Merkle root changed
stored 49fcf83702…4ec3a4now …
3. Block #81 hash changed
stored 8225e1d9a3…312ed9now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 89 records. Each step hashes the current value together with the sibling shown.

leaf f482dd51c7f7e5f39f4f982bee7000b6403db6d47f3a47e18c07d1d46874d8f7
01 L f2cc79b01b1456c2235a39aafb0e780b26082ac9de6a9efb10ac05ee6bc43fbd
02 L cab2a6ea79a30a4b0561227c5b0509c7c83c3b7c61999423140def68108e340a
03 R b82dcda9f98289cc20e1d82c38c542d71988c697c5aab2576f4b94fc3bcc2d18
04 R 990ccbbbd415430adf5116c5d3385144fb2a1a6fbc039aa6df3d1d35133792fa
05 L 99aede3c0dcb36b881fef45ae97ff62cc79bc1c62751ecfb0a20289703a8cdd9
06 R e966aed0537abb55f9eb41854957d847715265acebbbd28670e983e9a5c5e7fe
07 L b3c9096920c985906e2fad5ee7ccf89711992754ddbb990b2565fba1ab71f416
root 49fcf837023c629c5c3f72e97721089c882816f866d862cbde922f40cd4ec3a4