Pith Number

pith:PSNQNEZL

pith:2011:PSNQNEZLK3ML54WEB4X3F4EUHR

not attested not anchored not stored refs pending

Curvature weighted metrics on shape space of hypersurfaces in $n$-space

Martin Bauer, Peter W. Michor, Philipp Harms

arxiv:1102.0678 v1 · 2011-02-03 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSNQNEZLK3ML54WEB4X3F4EUHR}

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	2026-05-18T04:00:01.317628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9b06932b56d8bef2c40f2fb2f0943c49ff3aa4393ec133f8be20d2b1f28102

Aliases

arxiv: 1102.0678 · arxiv_version: 1102.0678v1 · doi: 10.48550/arxiv.1102.0678 · pith_short_12: PSNQNEZLK3ML · pith_short_16: PSNQNEZLK3ML54WE · pith_short_8: PSNQNEZL

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/PSNQNEZLK3ML54WEB4X3F4EUHR \
  | 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: 7c9b06932b56d8bef2c40f2fb2f0943c49ff3aa4393ec133f8be20d2b1f28102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d12c3b3009f10d336fe81df44643814378481aac7437807d3b2c091090c0e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-03T13:26:24Z",
    "title_canon_sha256": "8907e4a6f1faef62e38ca5c00e5c6f4224028a8177acaac6ed33a420957f9925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0678",
    "kind": "arxiv",
    "version": 1
  }
}