Pith Number

pith:6E4K7GVW

pith:2014:6E4K7GVW64ROVBTFOIBEFQIQZZ

not attested not anchored not stored refs pending

Spiders can be recognized by counting their legs

Adrian Fritz, Marc Hellmuth, Maribel Hernandez-Rosales, Peter F. Stadler, Ricardo Chaves, Sarah Berkemer

arxiv:1411.2105 v1 · 2014-11-08 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6E4K7GVW64ROVBTFOIBEFQIQZZ}

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	2026-05-18T02:38:08.626220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f138af9ab6f722ea8665720242c110ce56c422b782bfe0cdc41999c1979bc236

Aliases

arxiv: 1411.2105 · arxiv_version: 1411.2105v1 · doi: 10.48550/arxiv.1411.2105 · pith_short_12: 6E4K7GVW64RO · pith_short_16: 6E4K7GVW64ROVBTF · pith_short_8: 6E4K7GVW

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/6E4K7GVW64ROVBTFOIBEFQIQZZ \
  | 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: f138af9ab6f722ea8665720242c110ce56c422b782bfe0cdc41999c1979bc236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9162541e7ed9f35a40792326638d7ea11255be24bf906c27377f9d3403b2edc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-11-08T10:38:01Z",
    "title_canon_sha256": "c7ac28f9e72c7054a618b2309e413994b63bec11726ee132c693319b28f50e3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2105",
    "kind": "arxiv",
    "version": 1
  }
}