Pith Number

pith:55STZB6J

pith:2017:55STZB6JF5HE6YQ2ZPWNJTR5GK

not attested not anchored not stored refs pending

Fast and robust curve skeletonization for real-world elongated objects

Amy Tabb, Henry Medeiros

arxiv:1702.07619 v4 · 2017-02-24 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55STZB6JF5HE6YQ2ZPWNJTR5GK}

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	2026-05-18T00:20:44.752239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef653c87c92f4e4f621acbecd4ce3d3282711894293aea8cf2d692513953620a

Aliases

arxiv: 1702.07619 · arxiv_version: 1702.07619v4 · doi: 10.48550/arxiv.1702.07619 · pith_short_12: 55STZB6JF5HE · pith_short_16: 55STZB6JF5HE6YQ2 · pith_short_8: 55STZB6J

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/55STZB6JF5HE6YQ2ZPWNJTR5GK \
  | 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: ef653c87c92f4e4f621acbecd4ce3d3282711894293aea8cf2d692513953620a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6eb34db9d7515fb32d82e7d66c152a71064d22104f939de2738271632bddb7b",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-24T15:01:22Z",
    "title_canon_sha256": "ade9dfa861cfbff62048bc88e9a47514a215f55e1c7da64a52be6c7a2a2c5ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07619",
    "kind": "arxiv",
    "version": 4
  }
}