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 & HIGHWAYS - DAVAO DEL SUR 2ND SU Award a ₱1.1M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:

f5eea8eb4129f0602cd252fa04339e74da6f28ed2d0c1f539d17300b75f35cfa

Status:

Included and unchanged

Block:

#969 5,044 blocks after it

Position in block:

Transaction 13 of 14

Award day:

Sep 29, 2010 (16 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

To:

O.G. SANTOS CONSTRUCTION

Value:

₱1,094,272.34

Project:

Const. of 2-CL (7x7) Academic bldg. at Kibatang PS, Don Marcelino, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

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)
DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU awarded it to O.G. SANTOS 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 f5eea8eb41…f35cfanow …
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 f5eea8eb4129f0602cd252fa04339e74da6f28ed2d0c1f539d17300b75f35cfa
01 L f2f58c372e2c640fbd706ff9e6981f4c5be979b2cd89cffde83b38792ca426c2
02 R 0a1ed4781965c0a87ec6bc4704519c5b1ac4e9ca34d5734549f370649993fedf
03 L 0536e8439ce931a8af2f7e251998e4deb4519910ea16472b4eeddfc542719031
04 L 872bfbcb3a5c754249d874d6e67352d84d5cfd0fc4a09a2b97ae1be96d96b86b
root ce00470124681ccca58e86613daf9534d6832dcd4a84f23f984908cebc1b1fe5