Pith Number

pith:66P4FDU2

pith:2013:66P4FDU2273TP4MDFYVYUBVKTK

not attested not anchored not stored refs pending

Brieskorn manifolds in contact topology

Myeonggi Kwon, Otto van Koert

arxiv:1310.0343 v3 · 2013-10-01 · 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{66P4FDU2273TP4MDFYVYUBVKTK}

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	2026-05-18T00:01:23.831576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79fc28e9ad7f737f1832e2b8a06aa9a9722d8510a3cfc9e211f49e75489552f

Aliases

arxiv: 1310.0343 · arxiv_version: 1310.0343v3 · doi: 10.48550/arxiv.1310.0343 · pith_short_12: 66P4FDU2273T · pith_short_16: 66P4FDU2273TP4MD · pith_short_8: 66P4FDU2

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/66P4FDU2273TP4MDFYVYUBVKTK \
  | 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: f79fc28e9ad7f737f1832e2b8a06aa9a9722d8510a3cfc9e211f49e75489552f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8074379a6f54bc84cf7e95131ee9e8dee5fd3703188da591509123320a70b670",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-10-01T15:29:19Z",
    "title_canon_sha256": "4d200082746dc725ac06924ff548426a8f99d74b1c16d177fde690996a3e216e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0343",
    "kind": "arxiv",
    "version": 3
  }
}