Pith Number

pith:5AOXN4SP

pith:2014:5AOXN4SP6MJQ32RTB4O6PKLCYP

not attested not anchored not stored refs pending

Metric properties of Baumslag-Solitar groups

Jos\'e Burillo, Murray Elder

arxiv:1402.3859 v2 · 2014-02-17 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AOXN4SP6MJQ32RTB4O6PKLCYP}

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	2026-05-18T02:43:54.111403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81d76f24ff3130dea330f1de7a962c3e8ce2443aa6d7bbdb08d29cceffda1f9

Aliases

arxiv: 1402.3859 · arxiv_version: 1402.3859v2 · doi: 10.48550/arxiv.1402.3859 · pith_short_12: 5AOXN4SP6MJQ · pith_short_16: 5AOXN4SP6MJQ32RT · pith_short_8: 5AOXN4SP

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/5AOXN4SP6MJQ32RTB4O6PKLCYP \
  | 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: e81d76f24ff3130dea330f1de7a962c3e8ce2443aa6d7bbdb08d29cceffda1f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f7b819f6ef5974ce9083e760b406ebb252f022aac053cc03b767b46f4a093f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-02-17T00:22:19Z",
    "title_canon_sha256": "d6586c5f7a20cb2ce8e2aad1ff0ba1ef1988963f8318e7e007e08ebe92aee338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3859",
    "kind": "arxiv",
    "version": 2
  }
}