Pith Number

pith:OHOGJRSR

pith:2016:OHOGJRSRSV3MNXWGKXMXUYB5NV

not attested not anchored not stored refs pending

Tangle Insertion Invariants for Pseudoknots, Singular Knots, and Rigid Vertex Spatial Graphs

Allison Henrich, Louis H. Kauffman

arxiv:1603.03808 v1 · 2016-03-11 · 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{OHOGJRSRSV3MNXWGKXMXUYB5NV}

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	2026-05-18T01:19:10.451259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71dc64c6519576c6dec655d97a603d6d694118915c30bfa1178ff91acb6f05ea

Aliases

arxiv: 1603.03808 · arxiv_version: 1603.03808v1 · doi: 10.48550/arxiv.1603.03808 · pith_short_12: OHOGJRSRSV3M · pith_short_16: OHOGJRSRSV3MNXWG · pith_short_8: OHOGJRSR

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/OHOGJRSRSV3MNXWGKXMXUYB5NV \
  | 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: 71dc64c6519576c6dec655d97a603d6d694118915c30bfa1178ff91acb6f05ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf70498c161f981a9e547ac956d203cfd8881b7e08b611f9641daa0e64729a44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-03-11T22:20:27Z",
    "title_canon_sha256": "2a941b3348d5a76a21c9f2284b70a1ae582e8837ec82789f35c90333683a1647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03808",
    "kind": "arxiv",
    "version": 1
  }
}