Pith Number

pith:SFPTLYCB

pith:2012:SFPTLYCB4EMUUEZGTLIGQ7AL3D

not attested not anchored not stored refs pending

Prime component-preservingly amphicheiral link with odd minimal crossing number

Teruhisa Kadokami, Yoji Kobatake

arxiv:1202.6488 v4 · 2012-02-29 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFPTLYCB4EMUUEZGTLIGQ7AL3D}

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	2026-05-18T02:25:11.109475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915f35e041e1194a13269ad0687c0bd8fe0e6cc4491edadf0377b14d0045e65c

Aliases

arxiv: 1202.6488 · arxiv_version: 1202.6488v4 · doi: 10.48550/arxiv.1202.6488 · pith_short_12: SFPTLYCB4EMU · pith_short_16: SFPTLYCB4EMUUEZG · pith_short_8: SFPTLYCB

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/SFPTLYCB4EMUUEZGTLIGQ7AL3D \
  | 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: 915f35e041e1194a13269ad0687c0bd8fe0e6cc4491edadf0377b14d0045e65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18413bc85267d71dd2d29c7ce7e2af4c0064b4475c4646acf96c01bcaf1c45d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-02-29T09:07:25Z",
    "title_canon_sha256": "757253907ef6dec0f2a6b0d799033b7f506b9572b75778a3532da3a4d5af063e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6488",
    "kind": "arxiv",
    "version": 4
  }
}