Pith Number

pith:7B5QVX7A

pith:2019:7B5QVX7AB2ZGR7ZKTUSDRWVHOL

not attested not anchored not stored refs pending

An RNN-based IMM Filter Surrogate

Michael Arens, Ronny Hug, Stefan Becker, Wolfgang H\"ubner

arxiv:1902.01739 v2 · 2019-02-05 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B5QVX7AB2ZGR7ZKTUSDRWVHOL}

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	2026-05-17T23:47:43.832781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87b0adfe00eb268ff2a9d2438daa772ee25a8e118a06708827bbd7fe1214966

Aliases

arxiv: 1902.01739 · arxiv_version: 1902.01739v2 · doi: 10.48550/arxiv.1902.01739 · pith_short_12: 7B5QVX7AB2ZG · pith_short_16: 7B5QVX7AB2ZGR7ZK · pith_short_8: 7B5QVX7A

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/7B5QVX7AB2ZGR7ZKTUSDRWVHOL \
  | 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: f87b0adfe00eb268ff2a9d2438daa772ee25a8e118a06708827bbd7fe1214966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6468d0bf4ae2ba66b6e31449a092113e395590afc77895d255feb003975a501d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-05T15:21:53Z",
    "title_canon_sha256": "b1eeb3dad02854831fe75008773b3c2fb56da1e42482a65f262d15fb7f031567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01739",
    "kind": "arxiv",
    "version": 2
  }
}