Pith Number

pith:UX46WIJP

pith:2012:UX46WIJPNG7ARQTLUQAESEF4OQ

not attested not anchored not stored refs pending

Metric shape of hypersurfaces with small extrinsic radius or large $ \lambda_1$

Erwann Aubry (JAD), Jean-Francois Grosjean (IECN)

arxiv:1210.5689 v1 · 2012-10-21 · 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{UX46WIJPNG7ARQTLUQAESEF4OQ}

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	2026-05-18T03:42:43.314670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f9eb212f69be08c26ba4004910bc741f0ad60fdbad93a21039587840249bc4

Aliases

arxiv: 1210.5689 · arxiv_version: 1210.5689v1 · doi: 10.48550/arxiv.1210.5689 · pith_short_12: UX46WIJPNG7A · pith_short_16: UX46WIJPNG7ARQTL · pith_short_8: UX46WIJP

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/UX46WIJPNG7ARQTLUQAESEF4OQ \
  | 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: a5f9eb212f69be08c26ba4004910bc741f0ad60fdbad93a21039587840249bc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f1d3da0bb55018209127b8924ed590f4b67629a4d6f7ed0459992a3c55554ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-21T06:16:33Z",
    "title_canon_sha256": "de589e3019cbcf0d7d3c4a48be21175eab8e761038fa25483f940f76fc3d602d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5689",
    "kind": "arxiv",
    "version": 1
  }
}