Pith Number

pith:ZMYRQXOU

pith:2013:ZMYRQXOUEBSPFHE4HU4SKX7HGK

not attested not anchored not stored refs pending

A principle for ideal torus knots

Jakob Bohr, Kasper W Olsen

arxiv:1306.2809 v1 · 2013-05-30 · physics.gen-ph · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMYRQXOUEBSPFHE4HU4SKX7HGK}

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	2026-05-18T01:49:23.249612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb31185dd42064f29c9c3d39255fe7328b1abd2df9c42710aa12a5f76659ca70

Aliases

arxiv: 1306.2809 · arxiv_version: 1306.2809v1 · doi: 10.48550/arxiv.1306.2809 · pith_short_12: ZMYRQXOUEBSP · pith_short_16: ZMYRQXOUEBSPFHE4 · pith_short_8: ZMYRQXOU

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/ZMYRQXOUEBSPFHE4HU4SKX7HGK \
  | 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: cb31185dd42064f29c9c3d39255fe7328b1abd2df9c42710aa12a5f76659ca70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaefbc439ab9e8d1b3f1f9d00279de748985cd2ec49bc3c80753ee018186f324",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-05-30T12:35:46Z",
    "title_canon_sha256": "33428d718dedca802c50a032115f5938384c7060fc13b35bfb3dde2b961d59b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2809",
    "kind": "arxiv",
    "version": 1
  }
}