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

CITY OF DAVAO, DAVAO DEL SUR Award a ₱2.7M contract to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVECities

Transaction hash:

2bdde22d8b76ef767c59aed0a5662bec7a26c9634bfcfc1620f8ec0f568dbbd4

Status:

Included and unchanged

Block:

#678 5,335 blocks after it

Position in block:

Transaction 6 of 40

Award day:

Sep 1, 2009 (17 yrs 2 mo ago)

From:

CITY OF DAVAO, DAVAO DEL SUR

To:

DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE

Value:

₱2,662,994.31

Project:

Construction/Repair of School Buildings at Catalunan Grande ES, Brgy. Catalunan Grande, Talomo District, Davao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF DAVAO, DAVAO DEL SUR

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 #678 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)
CITY OF DAVAO, DAVAO DEL SUR awarded it to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE on 2009-09-01.
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)
COA's CY2024 audit of City of Davao gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 2bdde22d8b…8dbbd4now …
2. Block Merkle root changed
stored 18b94f7b92…4dd51fnow …
3. Block #678 hash changed
stored 2932a091d5…4f8ae2now …

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

leaf 2bdde22d8b76ef767c59aed0a5662bec7a26c9634bfcfc1620f8ec0f568dbbd4
01 R 39e73b92711a6c1f49dba8a3764bf60f57818fbc21b775b9d37f43def19725af
02 L f6f2cf622b4f7cb1bd14ae18bb0ffd49c1770db37e58c3bed29cd0cd0db3af87
03 L 7b457522b96d45b6466d83debcdbcd6c0b30fcb1b8902c361ee5b937e82065ae
04 R 23c1da45ca295783cd99841a003ad3ac8ca687d3e2fd6906dea53970c8a863af
05 R e349da90da115ccceb1fc4278b3014a3988a787bbb05708236e5f971f0b38fcd
06 R 1d45de3fd08dffe3731410063415ccc9324652fb27801bce544adbd0b790735a
root 18b94f7b92d74246dfd7fe361f7eda707556791250bbae8463607bbb4b4dd51f