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 - BATANGAS 2ND ED Award a ₱2.8M contract to NBL CONSTRUCTIONNational agencies

Transaction hash:

17fb2cbbdea809f566403dc770ac42b03c9126998085e65b1df38dfb4f3e9821

Status:

Included and unchanged

Block:

#2,268 3,745 blocks after it

Position in block:

Transaction 17 of 117

Award day:

Dec 11, 2014 (11 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 2ND ED

To:

NBL CONSTRUCTION

Value:

₱2,775,446.50

Project:

14DE-0028-Repair and Maintenance of Flood Control

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 2ND ED

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 #2,268 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 - BATANGAS 2ND ED awarded it to NBL CONSTRUCTION on 2014-12-11.
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 17fb2cbbde…3e9821now …
2. Block Merkle root changed
stored 9aa03597d0…6e998anow …
3. Block #2268 hash changed
stored b99fd32d26…0fbc92now …

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

leaf 17fb2cbbdea809f566403dc770ac42b03c9126998085e65b1df38dfb4f3e9821
01 L 15ee07958a1f97b5bde6c498de78fc2664c50aef60dcb9059b34dd9ea3bbbba0
02 R 6fdc136c2085752dda316d87dba811e0ed55e3cd66e520fd2bcb8af923a2ccb6
03 R ed0266fafcd3ebbfa9d56a7d2f74b440aa5e9ac62d1a55c9a31423d61287000d
04 R b8b828653ab8cbf39ae84e04fe6925e81150883be83f6ed842c272840d2af987
05 L dd77a434cafc0bb738fb1c444b6cfc46cd9c11df7e2b9add8fcc3957d2e656e3
06 R 6ff291896be122af0d3942034bc30a3d53379d93350bf74f7bf4847fa4b922b4
07 R ef4b9cf0c9ab268d6c7675a67fc47fe48d05a937f405e134aaa873ac79b59506
root 9aa03597d00e2d3528915377a166d8b00ed1fcab27d7b795460238dc686e998a