Pith Number

pith:7FOI73EX

pith:2014:7FOI73EXHWBWMDZSGWL4IO3WJM

not attested not anchored not stored refs pending

Bi-Lipschitz homeomorphic subanalytic sets have bi-Lipschitz homeomorphic tangent cones

J. Edson Sampaio

arxiv:1412.3049 v1 · 2014-12-09 · math.AG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FOI73EXHWBWMDZSGWL4IO3WJM}

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	2026-05-18T01:32:37.523905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95c8fec973d83660f323597c43b764b230b6976da05ad91247ff3daed8777e6

Aliases

arxiv: 1412.3049 · arxiv_version: 1412.3049v1 · doi: 10.48550/arxiv.1412.3049 · pith_short_12: 7FOI73EXHWBW · pith_short_16: 7FOI73EXHWBWMDZS · pith_short_8: 7FOI73EX

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/7FOI73EXHWBWMDZSGWL4IO3WJM \
  | 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: f95c8fec973d83660f323597c43b764b230b6976da05ad91247ff3daed8777e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3561fca3d3bb95d54fd829fb39b7da1170320d4f5caab3ff8937aeecf3926922",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-12-09T18:38:49Z",
    "title_canon_sha256": "e421eda173415e54f610d492619069192c27834f13102ee8d671b9e3711c5087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3049",
    "kind": "arxiv",
    "version": 1
  }
}