Pith Number

pith:VGHNUVXK

pith:2019:VGHNUVXK5WCG25UFXCFO3HCE2B

not attested not anchored not stored refs pending

PRNU-Based Source Device Attribution for YouTube Videos

Ahmet Emir Dirik, Emmanuel Kiegaing Kouokam

arxiv:1903.09141 v2 · 2019-03-21 · eess.IV · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGHNUVXK5WCG25UFXCFO3HCE2B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:49:44.954899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98eda56eaed846d7685b88aed9c44d06724e6df94ec15ab55af6ec4e9dff8b7

Aliases

arxiv: 1903.09141 · arxiv_version: 1903.09141v2 · doi: 10.48550/arxiv.1903.09141 · pith_short_12: VGHNUVXK5WCG · pith_short_16: VGHNUVXK5WCG25UF · pith_short_8: VGHNUVXK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/VGHNUVXK5WCG25UFXCFO3HCE2B \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a98eda56eaed846d7685b88aed9c44d06724e6df94ec15ab55af6ec4e9dff8b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df9034def5f31e070168567ab64b9408dff88fd8ef6c7debc19c6bf5c5c88512",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-03-21T17:52:22Z",
    "title_canon_sha256": "246acee9d8668d585efee59022c963eec8ca9dfd7629d9f60d1dbb0ed527a065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09141",
    "kind": "arxiv",
    "version": 2
  }
}