Pith Number

pith:IN6IP444

pith:2026:IN6IP444HGZPX63PGAA555RT6R

not attested not anchored not stored refs pending

Outer Type Severi-Brauer Schemes

Cameron Ruether

arxiv:2605.18983 v1 · 2026-05-18 · 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{IN6IP444HGZPX63PGAA555RT6R}

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	2026-05-20T00:06:40.987266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

437c87f39c39b2fbfb6f3001def633f47aa9be7ae70485cb18ed15dd7ecf35da

Aliases

arxiv: 2605.18983 · arxiv_version: 2605.18983v1 · doi: 10.48550/arxiv.2605.18983 · pith_short_12: IN6IP444HGZP · pith_short_16: IN6IP444HGZPX63P · pith_short_8: IN6IP444

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/IN6IP444HGZPX63PGAA555RT6R \
  | 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: 437c87f39c39b2fbfb6f3001def633f47aa9be7ae70485cb18ed15dd7ecf35da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5222c425aa7d8a833d7ae984580aa86cd7be5158399248b7aecfba0f99461ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-18T18:04:42Z",
    "title_canon_sha256": "32c8807984826243b9735f25153e66193f33075ee7c402a1beb8124195032bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18983",
    "kind": "arxiv",
    "version": 1
  }
}