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 AND HIGHWAYS - DAVAO ORIENTAL 2ND Award a ₱4.8M contract to MELROBE BUILDERS CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

2db20207d32d8ff3d72a1c79c44b2d40e12c2394435756b863649cae15a93202

Status:

Included and unchanged

Block:

#2,385 3,628 blocks after it

Position in block:

Transaction 15 of 98

Award day:

Apr 21, 2015 (11 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 2ND

To:

MELROBE BUILDERS CONSTRUCTION & SUPPLIES

Value:

₱4,798,281.63

Project:

14LG0057

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 2ND

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 #2,385 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 AND HIGHWAYS - DAVAO ORIENTAL 2ND awarded it to MELROBE BUILDERS CONSTRUCTION & SUPPLIES on 2015-04-21.
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 2db20207d3…a93202now …
2. Block Merkle root changed
stored ae22bdfd54…0be06enow …
3. Block #2385 hash changed
stored 6d4965efe7…cfa22bnow …

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

leaf 2db20207d32d8ff3d72a1c79c44b2d40e12c2394435756b863649cae15a93202
01 L 2cbfd97414765ad0f6ba5822b42e52c9bbb96afe59ab907e8f674aa1f4cdbae5
02 L c0f43949d4d54df1242b2e41d26e3bc2051e28c919bed7948fc1be541303ca1a
03 L 4a59c351d43e552649a9d0214bfc5cb7b313f3edadfea772624ab9f8d82e4daa
04 L c3b919e928351bbc872b9f6b4fe29817f57ed91c093386e9c52365e4346fdc5e
05 R 257c34574598c0bda45ad8b7144de546e2bc522026b832fe30701b7ae32214fd
06 R 188aca2a93abcb211b570857c680235bccbec85216bca15914d1e7e171fbde9a
07 R debabc7596428660d22eff88b241311b339b4c3bd022788ff37577eb4c07c495
root ae22bdfd54d45ec281343251ad21b27ac069acc67d3bab901b85d90f800be06e