Pith Number

pith:SIHAFFG4

pith:2017:SIHAFFG44NJ4L7ZTMTEG5OXDIC

not attested not anchored not stored refs pending

Smooth mixed projective curves and a conjecture

Mutsuo Oka

arxiv:1711.09537 v2 · 2017-11-27 · 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{SIHAFFG44NJ4L7ZTMTEG5OXDIC}

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	2026-05-18T00:24:33.265113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920e0294dce353c5ff3364c86ebae340afbca737043c07674682fffd1014ffcb

Aliases

arxiv: 1711.09537 · arxiv_version: 1711.09537v2 · doi: 10.48550/arxiv.1711.09537 · pith_short_12: SIHAFFG44NJ4 · pith_short_16: SIHAFFG44NJ4L7ZT · pith_short_8: SIHAFFG4

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/SIHAFFG44NJ4L7ZTMTEG5OXDIC \
  | 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: 920e0294dce353c5ff3364c86ebae340afbca737043c07674682fffd1014ffcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a4259b1e849715c70d310fcca5888200a9feca8bc12cad16e88436faf681286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-27T05:08:09Z",
    "title_canon_sha256": "ffe4cc9c15b861e06156d90dc0a842e46fcff6ef522ae3f8c68c4c9a3ecde5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09537",
    "kind": "arxiv",
    "version": 2
  }
}