Pith Number

pith:LV6VPHAF

pith:2000:LV6VPHAFFPW2R5OPXEHTHDONEF

not attested not anchored not stored refs pending

Knots and Contact Geometry

John B. Etnyre, Ko Honda

arxiv:math/0006112 v1 · 2000-06-15 · 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{LV6VPHAFFPW2R5OPXEHTHDONEF}

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.

Cited by

2 papers in Pith

A New CR Invariant for Contact 3-Manifolds and Classes of Open Books

Receipt and verification

First computed	2026-07-04T14:34:33.808271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d7d579c052beda8f5cfb90f338dcd214269734d295231d787b17493c531e35e

Aliases

arxiv: math/0006112 · arxiv_version: math/0006112v1 · doi: 10.48550/arxiv.math/0006112 · pith_short_12: LV6VPHAFFPW2 · pith_short_16: LV6VPHAFFPW2R5OP · pith_short_8: LV6VPHAF

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/LV6VPHAFFPW2R5OPXEHTHDONEF \
  | 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: 5d7d579c052beda8f5cfb90f338dcd214269734d295231d787b17493c531e35e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8100d573e7f55dca8edea6079fba43ec16d3441c783a53de0bedec4651c8203e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2000-06-15T22:27:55Z",
    "title_canon_sha256": "e00c7feedcd85d725a434c1ec149c56a4367f405228f276b4114257363f5ff93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0006112",
    "kind": "arxiv",
    "version": 1
  }
}