Pith Number

pith:OTU4LH6D

pith:2013:OTU4LH6DN5QPE5BGUHPQDRESX6

not attested not anchored not stored refs pending

Rational points of varieties with ample cotangent bundle over function fields of positive characteristic

Damian R\"ossler, Henri Gillet

arxiv:1312.6008 v3 · 2013-12-20 · 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{OTU4LH6DN5QPE5BGUHPQDRESX6}

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	2026-05-18T00:41:46.845088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e9c59fc36f60f27426a1df01c492bfbd7fc684d6fdeb192ac894efdd94e356

Aliases

arxiv: 1312.6008 · arxiv_version: 1312.6008v3 · doi: 10.48550/arxiv.1312.6008 · pith_short_12: OTU4LH6DN5QP · pith_short_16: OTU4LH6DN5QPE5BG · pith_short_8: OTU4LH6D

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/OTU4LH6DN5QPE5BGUHPQDRESX6 \
  | 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: 74e9c59fc36f60f27426a1df01c492bfbd7fc684d6fdeb192ac894efdd94e356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9ff8cdf5b9c2ac25a910688e3eedac955b6de6343b4939bc1da88a28be39b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-20T16:15:50Z",
    "title_canon_sha256": "a8fcb74592d35755c91e8dd3531e865f29a4eb84ed28d1d66f140137e1051303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6008",
    "kind": "arxiv",
    "version": 3
  }
}