Pith Number

pith:5NOZ6EUK

pith:2010:5NOZ6EUK6TVIMS7GDMVPNS44VA

not attested not anchored not stored refs pending

On the Characteristic Foliations of Metric Contact Pairs

Amine Hadjar, Gianluca Bande

arxiv:1003.0281 v2 · 2010-03-01 · 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{5NOZ6EUK6TVIMS7GDMVPNS44VA}

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	2026-05-18T04:10:10.679621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5d9f128af4ea864be61b2af6cb9ca838f50840ca2c64126bfd3cfa5f2fe57c

Aliases

arxiv: 1003.0281 · arxiv_version: 1003.0281v2 · doi: 10.48550/arxiv.1003.0281 · pith_short_12: 5NOZ6EUK6TVI · pith_short_16: 5NOZ6EUK6TVIMS7G · pith_short_8: 5NOZ6EUK

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/5NOZ6EUK6TVIMS7GDMVPNS44VA \
  | 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: eb5d9f128af4ea864be61b2af6cb9ca838f50840ca2c64126bfd3cfa5f2fe57c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccca3791f143fdb5a7cfebccd55a81c3cd546497e0cd83ec34f009910a1b708",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-03-01T08:57:26Z",
    "title_canon_sha256": "80530c6d8139f492ac2b8cf2a82ee47d66b047bd0c8e6f91824565360e818412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0281",
    "kind": "arxiv",
    "version": 2
  }
}