Pith Number

pith:RB7RTHTB

pith:2013:RB7RTHTB23RLKCU7AVYYHYABES

not attested not anchored not stored refs pending

Forking in Short and Tame Abstract Elementary Classes

Rami Grossberg, Will Boney

arxiv:1306.6562 v11 · 2013-06-27 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB7RTHTB23RLKCU7AVYYHYABES}

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	2026-05-18T00:53:21.357172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887f199e61d6e2b50a9f057183e001248eabb7ebd70c9b8461fd700aedaebc0e

Aliases

arxiv: 1306.6562 · arxiv_version: 1306.6562v11 · doi: 10.48550/arxiv.1306.6562 · pith_short_12: RB7RTHTB23RL · pith_short_16: RB7RTHTB23RLKCU7 · pith_short_8: RB7RTHTB

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/RB7RTHTB23RLKCU7AVYYHYABES \
  | 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: 887f199e61d6e2b50a9f057183e001248eabb7ebd70c9b8461fd700aedaebc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c125f5f5b69991960503fe2657fd40ccd51f91ff77b09b829a2411179529cb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-06-27T16:21:45Z",
    "title_canon_sha256": "bcb1c2496094e28c56ed1a7547a8e267520ca1a06e106b7d92756b260e02d36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6562",
    "kind": "arxiv",
    "version": 11
  }
}