Pith Number

pith:IRXPDIEU

pith:2003:IRXPDIEUW26IYQN7ZH4GNQJWWN

not attested not anchored not stored refs pending

Geometry of lines on certain Moishezon threefolds. I. Explicit description of families of twistor lines

Nobuhiro Honda

arxiv:math/0309084 v1 · 2003-09-05 · math.DG · 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{IRXPDIEUW26IYQN7ZH4GNQJWWN}

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	2026-05-18T01:05:28.663903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446ef1a094b6bc8c41bfc9f866c136b355466ab137f8709b108a06453cbd1f04

Aliases

arxiv: math/0309084 · arxiv_version: math/0309084v1 · doi: 10.48550/arxiv.math/0309084 · pith_short_12: IRXPDIEUW26I · pith_short_16: IRXPDIEUW26IYQN7 · pith_short_8: IRXPDIEU

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/IRXPDIEUW26IYQN7ZH4GNQJWWN \
  | 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: 446ef1a094b6bc8c41bfc9f866c136b355466ab137f8709b108a06453cbd1f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81071bc17307d06c93e8218028a34167e9e6d314141d194858f31ece22b5e2f0",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2003-09-05T02:40:02Z",
    "title_canon_sha256": "3d89351f4f8632b17755b1feeaf53c6b207a2d581d43807921798854fe0d0961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309084",
    "kind": "arxiv",
    "version": 1
  }
}