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 - N. ORIENTAL 3RD Award a ₱18.8M contract to NALE CONSTRUCTIONNational agencies

Transaction hash:

9bbd74cdbed51dfcf0368f83cfad76488d4583e26ec6172f5c541b2951e59e9f

Status:

Included and unchanged

Block:

#2,799 3,214 blocks after it

Position in block:

Transaction 90 of 146

Award day:

Jul 21, 2016 (10 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 3RD

To:

NALE CONSTRUCTION

Value:

₱18,810,811.90

Project:

16HL0036

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 3RD

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 #2,799 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)
DPWH lists the funding source as "Outside Infra - SRA 2016 Farm-to-Mill Roads". The exact UACS line is not given.
Partly
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 - N. ORIENTAL 3RD awarded it to NALE CONSTRUCTION on 2016-07-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16HL0036: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-03-07). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 9bbd74cdbe…e59e9fnow …
2. Block Merkle root changed
stored fa15b5d7d4…ee0a20now …
3. Block #2799 hash changed
stored ac615cf551…5ce11bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 145 records. Each step hashes the current value together with the sibling shown.

leaf 9bbd74cdbed51dfcf0368f83cfad76488d4583e26ec6172f5c541b2951e59e9f
01 R 9ccc78c5ad7fbbe122be554dc186fae140865c25bd73179cf1c6f1cd2d30f54f
02 L e33324dca50d74a232c1fb23b1a1a8440b7395def502c4f02c50a0cfc3184439
03 R 0b8ff9b883646b56075e3ea706894dfb5d7a0c03362553956a30e6999a3e14b0
04 L b4d00514afc36c27736146afb98824883a05af2403fa659f9f6c6a5d3209f518
05 L 7e077a74c25f033b74c64de0acaec4a0c3ad5cb937f86d6a73998ae1b383ee47
06 R 7f8c354f87c2a903dbb695a7cb220c75a60e283b648f9e61b251dffda7dfb586
07 L d8826b13e6af12201b7826b241f8b4949e9988374a97b7ed723bcee06127441d
08 R b0e65fe205600a254811db4a35e384d0c09d037f21b60a2e6981aa432668eea7
root fa15b5d7d4757940ef528054a4f24c0b9eb67cafa7cb9fe75b90f143d2ee0a20