Pith Number

pith:JLSO54LR

pith:2010:JLSO54LR4YWXLAZ5YPQKIL4CDX

not attested not anchored not stored refs pending

Cabling, contact structures and mapping class monoids

Jeremy Van Horn-Morris, John B. Etnyre, Kenneth L. Baker

arxiv:1005.1978 v2 · 2010-05-12 · math.SG · 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{JLSO54LR4YWXLAZ5YPQKIL4CDX}

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	2026-05-18T02:24:08.172305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae4eef171e62d75833dc3e0a42f821dd27122f398d23e6d005ed4fd7be722c2

Aliases

arxiv: 1005.1978 · arxiv_version: 1005.1978v2 · doi: 10.48550/arxiv.1005.1978 · pith_short_12: JLSO54LR4YWX · pith_short_16: JLSO54LR4YWXLAZ5 · pith_short_8: JLSO54LR

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/JLSO54LR4YWXLAZ5YPQKIL4CDX \
  | 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: 4ae4eef171e62d75833dc3e0a42f821dd27122f398d23e6d005ed4fd7be722c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010ef9de25cb14a4ab7165922f99c22cc0746ff02d91b2e93b36e94a6449302c",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2010-05-12T01:08:04Z",
    "title_canon_sha256": "97de880b2b07df8e9a53dcbcae5028db27a159a145905eb93332b065c2880cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1978",
    "kind": "arxiv",
    "version": 2
  }
}