Pith Number

pith:UJJSC6Q7

pith:2013:UJJSC6Q7KBCDQD7H3IEY2GZUZB

not attested not anchored not stored refs pending

The 500 simplest hyperbolic knots

Abhijit Champanerkar, Ilya Kofman, Timothy Mullen

arxiv:1307.4439 v3 · 2013-07-16 · 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{UJJSC6Q7KBCDQD7H3IEY2GZUZB}

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	2026-05-18T01:10:15.453463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a253217a1f5044380fe7da098d1b34c8452872a48dc3fff41c6c9c6271d6f11f

Aliases

arxiv: 1307.4439 · arxiv_version: 1307.4439v3 · doi: 10.48550/arxiv.1307.4439 · pith_short_12: UJJSC6Q7KBCD · pith_short_16: UJJSC6Q7KBCDQD7H · pith_short_8: UJJSC6Q7

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/UJJSC6Q7KBCDQD7H3IEY2GZUZB \
  | 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: a253217a1f5044380fe7da098d1b34c8452872a48dc3fff41c6c9c6271d6f11f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224f5bb87fc87f339e006611b3c7239b3431363c664873f1673354daadcd8cad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-07-16T22:22:31Z",
    "title_canon_sha256": "99e4f74eb1ec97534a09b8466c9fa5e2070766fc4b4a491f5225860351182214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4439",
    "kind": "arxiv",
    "version": 3
  }
}