Pith Number

pith:2NBFBZWX

pith:2011:2NBFBZWXUBERHO5IPDC6X6FAQM

not attested not anchored not stored refs pending

Orthogonal and Symplectic Parabolic Bundles

Indranil Biswas, Michael Lennox Wong, Souradeep Majumder

arxiv:1103.4235 v1 · 2011-03-22 · 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{2NBFBZWXUBERHO5IPDC6X6FAQM}

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	2026-05-18T03:59:03.299780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34250e6d7a04913bba878c5ebf8a0833bee629d70fd770334e5337a2536d8a5

Aliases

arxiv: 1103.4235 · arxiv_version: 1103.4235v1 · doi: 10.48550/arxiv.1103.4235 · pith_short_12: 2NBFBZWXUBER · pith_short_16: 2NBFBZWXUBERHO5I · pith_short_8: 2NBFBZWX

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/2NBFBZWXUBERHO5IPDC6X6FAQM \
  | 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: d34250e6d7a04913bba878c5ebf8a0833bee629d70fd770334e5337a2536d8a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "871b67c4fc90ad28a3dc4e229bb2bce3293b97b778f737b0ca80fbb71896e45b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-22T10:06:45Z",
    "title_canon_sha256": "3071fb16667b1cb99c6a88b0a10f67157b2bae5761e88b6569e11616ffbd13d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4235",
    "kind": "arxiv",
    "version": 1
  }
}