Pith Number

pith:JEKT7SJD

pith:2019:JEKT7SJDDDYQJNLVAREWJ5CC33

not attested not anchored not stored refs pending

Seshadri Constants and Fujita's Conjecture via Positive Characteristic Methods

Takumi Murayama

arxiv:1905.03839 v1 · 2019-05-09 · math.AG · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEKT7SJDDDYQJNLVAREWJ5CC33}

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	2026-05-17T23:46:35.468676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49153fc92318f104b575044964f442ded6b21f58d30eab4c7c1b2c9ae0bfb962

Aliases

arxiv: 1905.03839 · arxiv_version: 1905.03839v1 · doi: 10.48550/arxiv.1905.03839 · pith_short_12: JEKT7SJDDDYQ · pith_short_16: JEKT7SJDDDYQJNLV · pith_short_8: JEKT7SJD

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/JEKT7SJDDDYQJNLVAREWJ5CC33 \
  | 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: 49153fc92318f104b575044964f442ded6b21f58d30eab4c7c1b2c9ae0bfb962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66bf15552dcad65f84dca2d4d7c71f03ca5afcd9604f8c122260faeda5b9b8eb",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-05-09T20:12:42Z",
    "title_canon_sha256": "a1e189af8d0e91efbb51eb09d7b471e463e8199481ae1a3eb80c1c49eff68bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03839",
    "kind": "arxiv",
    "version": 1
  }
}