pith. sign in
Pith Number

pith:Y6R5XORE

pith:2011:Y6R5XORERRVM3LC3TA2MAWRF2M
not attested not anchored not stored refs pending

The geometry of whips

Stephen C. Preston

arxiv:1105.1754 v1 · 2011-05-09 · math.DG · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y6R5XORERRVM3LC3TA2MAWRF2M}

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 2026-05-18T04:22:32.562014Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c7a3dbba248c6acdac5b9834c05a25d30060b0e0c0f8fa2d49f7e9d9aa856b8b

Aliases

arxiv: 1105.1754 · arxiv_version: 1105.1754v1 · doi: 10.48550/arxiv.1105.1754 · pith_short_12: Y6R5XORERRVM · pith_short_16: Y6R5XORERRVM3LC3 · pith_short_8: Y6R5XORE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y6R5XORERRVM3LC3TA2MAWRF2M \
  | 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: c7a3dbba248c6acdac5b9834c05a25d30060b0e0c0f8fa2d49f7e9d9aa856b8b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b08c2391455d9e452f0052f7d9f6d23d5bd98d26a2aed8a19e15ba31d1147a29",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-09T18:50:17Z",
    "title_canon_sha256": "2c46cc75d7155c167feca39f0395afc400b118c2427dcb96526764fb71649d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1754",
    "kind": "arxiv",
    "version": 1
  }
}