Pith Number

pith:IHM5KWXQ

pith:2014:IHM5KWXQ27ETSYGVIOQN3WSWZW

not attested not anchored not stored refs pending

Berge duals and universally tight contact structures

Christopher R. Cornwell

arxiv:1411.3711 v1 · 2014-11-13 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHM5KWXQ27ETSYGVIOQN3WSWZW}

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	2026-05-18T02:37:43.169045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41d9d55af0d7c93960d543a0ddda56cdbb9760987f439f3736827fbccc2a09ff

Aliases

arxiv: 1411.3711 · arxiv_version: 1411.3711v1 · doi: 10.48550/arxiv.1411.3711 · pith_short_12: IHM5KWXQ27ET · pith_short_16: IHM5KWXQ27ETSYGV · pith_short_8: IHM5KWXQ

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/IHM5KWXQ27ETSYGVIOQN3WSWZW \
  | 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: 41d9d55af0d7c93960d543a0ddda56cdbb9760987f439f3736827fbccc2a09ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc00d2b5e92f390cfb95a682db0f357547f702e40f8fdef3a4456de0ee0fbff7",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-11-13T20:55:12Z",
    "title_canon_sha256": "1dc018462ed6f75e071e64c65dbedd4bdf29a08228d2c196c7d3b3f180fdca0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3711",
    "kind": "arxiv",
    "version": 1
  }
}