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

SURIGAO DEL SUR STATE UNIVERSITY Award a ₱2.9M contract to VANVI CONSTRUCTIONNational agencies

Transaction hash:

932cd92c278e2ef29ead73f3ce46fb5b2b721ea362668b15df5ee66d0355fd12

Status:

Included and unchanged

Block:

#2,055 3,958 blocks after it

Position in block:

Transaction 76 of 125

Award day:

Apr 21, 2014 (12 yrs 6 mo ago)

From:

SURIGAO DEL SUR STATE UNIVERSITY

To:

VANVI CONSTRUCTION

Value:

₱2,879,481.52

Project:

Building Construction

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

SURIGAO DEL SUR STATE UNIVERSITY

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 #2,055 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)
SURIGAO DEL SUR STATE UNIVERSITY awarded it to VANVI CONSTRUCTION on 2014-04-21.
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 932cd92c27…55fd12now …
2. Block Merkle root changed
stored 4d549e301f…fa7a56now …
3. Block #2055 hash changed
stored a6b00dc5b7…fa4a7anow …

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

leaf 932cd92c278e2ef29ead73f3ce46fb5b2b721ea362668b15df5ee66d0355fd12
01 R 9488bac9c4f0941cfea0cf88e4d3233afc55a01e1fc332df49c0a96911d99372
02 R 734a756dbbccc2c75f92097d3fd09044e5a2b47206541672f0ff3a74e7df1cc6
03 L 8bea73d424a0f12ff497b37b3a36893ab347a7e6fd4520a00552cc5c6830560a
04 L f6527ed81804d0f03805fe44a3931125bad2d939b7ea3f6dde87a847e2d64db0
05 R 22255a7e592d2f8f120b652fcf0fc3f8d0b41012807c036a0ad825ef6a9a07db
06 R 60d06f9c8d6f48c0d17c2a37e5a83e0f06464f1ae1247802359ae61588ad9f54
07 L a7e278abe1bb87c970889ad3a81cd3c1e9aa3527d9d0fb30d93a78a59cf9d131
root 4d549e301f128fa931226129b32107e2afbb115914b128c62a24f69c0cfa7a56