Pith Number

pith:O6LADTEA

pith:2004:O6LADTEAME3MTJITFZG7HIIQJO

not attested not anchored not stored refs pending

Noncyclic covers of knot complements

Nathan Broaddus

arxiv:math/0401120 v4 · 2004-01-12 · 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{O6LADTEAME3MTJITFZG7HIIQJO}

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	2026-05-18T02:50:10.979562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

779601cc806136c9a5132e4df3a1104b811154ad45b065aee1873ba27e995794

Aliases

arxiv: math/0401120 · arxiv_version: math/0401120v4 · doi: 10.48550/arxiv.math/0401120 · pith_short_12: O6LADTEAME3M · pith_short_16: O6LADTEAME3MTJIT · pith_short_8: O6LADTEA

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/O6LADTEAME3MTJITFZG7HIIQJO \
  | 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: 779601cc806136c9a5132e4df3a1104b811154ad45b065aee1873ba27e995794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2ba33032223b089cbb6e16dab3e585b9b064c133203e299b596a3fb81f13d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2004-01-12T18:03:53Z",
    "title_canon_sha256": "9a586496a8dd5489b790f2e8d7aeb53113c2e8662918f7e7cad3b76ecb938bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0401120",
    "kind": "arxiv",
    "version": 4
  }
}