Pith Number

pith:OVANQN44

pith:2012:OVANQN44PZPG2OLNKL6I4PGD6J

not attested not anchored not stored refs pending

Algebraic approximation in CR geometry

Nordine Mir

arxiv:1202.2463 v1 · 2012-02-11 · math.CV · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVANQN44PZPG2OLNKL6I4PGD6J}

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	2026-05-18T03:53:19.943765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7540d8379c7e5e6d396d52fc8e3cc3f26d8628f8d51277768a5cd41c54072815

Aliases

arxiv: 1202.2463 · arxiv_version: 1202.2463v1 · doi: 10.48550/arxiv.1202.2463 · pith_short_12: OVANQN44PZPG · pith_short_16: OVANQN44PZPG2OLN · pith_short_8: OVANQN44

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/OVANQN44PZPG2OLNKL6I4PGD6J \
  | 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: 7540d8379c7e5e6d396d52fc8e3cc3f26d8628f8d51277768a5cd41c54072815

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776a26c3d05a7fd7a22e48694db66c78c0ab98d4ff72c2de80adb58077dbed11",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-02-11T19:53:51Z",
    "title_canon_sha256": "43cb517240f6ed252f788adb5d836b2a58ebc97c3395e8fc929dc128a724da16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2463",
    "kind": "arxiv",
    "version": 1
  }
}