Pith Number

pith:F6LHRXDA

pith:2011:F6LHRXDALSIKX3FKE5YBO5U36D

not attested not anchored not stored refs pending

On the order three Brauer classes for cubic surfaces

Andreas-Stephan Elsenhans, J\"org Jahnel

arxiv:1110.2086 v2 · 2011-10-10 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6LHRXDALSIKX3FKE5YBO5U36D}

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	2026-05-18T04:09:24.997134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9678dc605c90abecaa277017769bf0c7bd123ef06cf08dcf11dad10d90a646

Aliases

arxiv: 1110.2086 · arxiv_version: 1110.2086v2 · doi: 10.48550/arxiv.1110.2086 · pith_short_12: F6LHRXDALSIK · pith_short_16: F6LHRXDALSIKX3FK · pith_short_8: F6LHRXDA

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/F6LHRXDALSIKX3FKE5YBO5U36D \
  | 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: 2f9678dc605c90abecaa277017769bf0c7bd123ef06cf08dcf11dad10d90a646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb009570e393688abe755964a2ac450ca5a1e78295efce2ab19bfc81ad133bd",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-10-10T15:52:53Z",
    "title_canon_sha256": "68617e050ee63dbc795f391acfd891fae36ff52a9c0d3758921982e63504e6e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2086",
    "kind": "arxiv",
    "version": 2
  }
}