Pith Number

pith:KJOCR5LQ

pith:2010:KJOCR5LQ7XGP7Z6JQHQE6AUPQG

not attested not anchored not stored refs pending

Lipschitz classification of almost-Riemannian distances on compact oriented surfaces

Gr\'egoire Charlot (IF), Inria Lorraine / Iecn / Mmas), Mario Sigalotti (IECN, Roberta Ghezzi (SISSA), Ugo Boscain

arxiv:1003.4842 v1 · 2010-03-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJOCR5LQ7XGP7Z6JQHQE6AUPQG}

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	2026-05-18T03:03:22.252110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

525c28f570fdccffe7c981e04f028f8187dca98d9a0b367f1e17828abcb71795

Aliases

arxiv: 1003.4842 · arxiv_version: 1003.4842v1 · doi: 10.48550/arxiv.1003.4842 · pith_short_12: KJOCR5LQ7XGP · pith_short_16: KJOCR5LQ7XGP7Z6J · pith_short_8: KJOCR5LQ

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/KJOCR5LQ7XGP7Z6JQHQE6AUPQG \
  | 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: 525c28f570fdccffe7c981e04f028f8187dca98d9a0b367f1e17828abcb71795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d364d055765950bb02b69488e1ac762eb519c3b221737812b97742b49546b71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-03-25T10:28:58Z",
    "title_canon_sha256": "3f6e5a4de9b1500c039075e96e7e3b696045bba777f83d81b25f6518d2532139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4842",
    "kind": "arxiv",
    "version": 1
  }
}