Pith Number

pith:UUEW5USO

pith:2008:UUEW5USOUR6MD4UI4MFTAH2QTB

not attested not anchored not stored refs pending

Rigidity and uniruling for Lagrangian submanifolds

Octav Cornea, Paul Biran

arxiv:0808.2440 v1 · 2008-08-18 · math.SG · 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{UUEW5USOUR6MD4UI4MFTAH2QTB}

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	2026-05-18T02:38:19.039583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5096ed24ea47cc1f288e30b301f50986a2c116256c700dfe51e6668d22c6331

Aliases

arxiv: 0808.2440 · arxiv_version: 0808.2440v1 · doi: 10.48550/arxiv.0808.2440 · pith_short_12: UUEW5USOUR6M · pith_short_16: UUEW5USOUR6MD4UI · pith_short_8: UUEW5USO

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/UUEW5USOUR6MD4UI4MFTAH2QTB \
  | 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: a5096ed24ea47cc1f288e30b301f50986a2c116256c700dfe51e6668d22c6331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549fd708e99483ed4dc3f0ab04ee785daa7c56b4f7a65464ffe5d2cacdccfe1d",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2008-08-18T18:38:15Z",
    "title_canon_sha256": "19bf7f9beeabf989b7841362a2d9050cc18680c4d4cb3ef5a72f074d432bd725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2440",
    "kind": "arxiv",
    "version": 1
  }
}