Pith Number

pith:55VKZDWQ

pith:2014:55VKZDWQV3BNQDIJDJ4DB4G7BC

not attested not anchored not stored refs pending

Object Tracking via Non-Euclidean Geometry: A Grassmann Approach

Brian C. Lovell, Conrad Sanderson, Mehrtash T. Harandi, Sareh Shirazi

arxiv:1403.0309 v1 · 2014-03-03 · cs.CV · math.MG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55VKZDWQV3BNQDIJDJ4DB4G7BC}

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	2026-05-18T02:44:18.057141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef6aac8ed0aec2d80d091a7830f0df08a7929d9de9dc1ae4fcde519dd6fe6f5f

Aliases

arxiv: 1403.0309 · arxiv_version: 1403.0309v1 · doi: 10.48550/arxiv.1403.0309 · pith_short_12: 55VKZDWQV3BN · pith_short_16: 55VKZDWQV3BNQDIJ · pith_short_8: 55VKZDWQ

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/55VKZDWQV3BNQDIJDJ4DB4G7BC \
  | 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: ef6aac8ed0aec2d80d091a7830f0df08a7929d9de9dc1ae4fcde519dd6fe6f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8401959360f1acf08425b1f8f8d35aa7ec9b47b915d125a48de032314d26c52c",
    "cross_cats_sorted": [
      "math.MG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-03-03T04:46:44Z",
    "title_canon_sha256": "e3fc02d45cc7d1a9bf57c903ef668538c677632d883faaf9e86a71d9a5f7b624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0309",
    "kind": "arxiv",
    "version": 1
  }
}