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

MINES AND GEO-SCIENCES BUREAU - REGION V Award a ₱4.7M contract to RYU CONSTRUCTIONNational agencies

Transaction hash:

aa630afbc94e92fa97ccd54939fb7423e26c316527520ab7502e9796665b561f

Status:

Included and unchanged

Block:

#969 5,044 blocks after it

Position in block:

Transaction 8 of 14

Award day:

Sep 29, 2010 (16 yrs 1 mo ago)

From:

MINES AND GEO-SCIENCES BUREAU - REGION V

To:

RYU CONSTRUCTION

Value:

₱4,710,882.53

Project:

Construction of the Proposed Two-Storey Mines and Geosciences Bureau R.O. V Office Building 9Phase I-Ground Floor)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MINES AND GEO-SCIENCES BUREAU - REGION V

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 #969 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)
MINES AND GEO-SCIENCES BUREAU - REGION V awarded it to RYU CONSTRUCTION on 2010-09-29.
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 aa630afbc9…5b561fnow …
2. Block Merkle root changed
stored ce00470124…1b1fe5now …
3. Block #969 hash changed
stored 7bba982227…3a76ffnow …

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

leaf aa630afbc94e92fa97ccd54939fb7423e26c316527520ab7502e9796665b561f
01 R d71ee7c07e2a9c7529c422528ba1e6428571f2c1223c82518b669933c1badb0b
02 R 220d70a80247c3706eb0a6c12a58cbc2609cd49cab407174e2968b953e444046
03 R 27e0014cb3f46e4cd5a553faa840882c238983c2b215eb9dbf6e993c34e97358
04 L 872bfbcb3a5c754249d874d6e67352d84d5cfd0fc4a09a2b97ae1be96d96b86b
root ce00470124681ccca58e86613daf9534d6832dcd4a84f23f984908cebc1b1fe5