Pith Number

pith:ROHHYLFI

pith:2025:ROHHYLFI3PLXAXGZGN5OGGU3GM

not attested not anchored not stored refs pending

Boone-Higman embeddings of $\mathrm{Aut}(F_n)$ and mapping class groups of punctured surfaces

Francesco Fournier-Facio, James Belk, James Hyde, Matthew C. B. Zaremsky

arxiv:2503.21882 v2 · 2025-03-27 · 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{ROHHYLFI3PLXAXGZGN5OGGU3GM}

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.

Cited by

2 papers in Pith

Boundary dynamics, triple transitivity, and mixed identities in weakly hyperbolic groups

Receipt and verification

First computed	2026-07-05T10:49:16.012065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b8e7c2ca8dbd7705cd9337ae31a9b330bf66166dee81279faf1140c6b9cfc3a

Aliases

arxiv: 2503.21882 · arxiv_version: 2503.21882v2 · doi: 10.48550/arxiv.2503.21882 · pith_short_12: ROHHYLFI3PLX · pith_short_16: ROHHYLFI3PLXAXGZ · pith_short_8: ROHHYLFI

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/ROHHYLFI3PLXAXGZGN5OGGU3GM \
  | 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: 8b8e7c2ca8dbd7705cd9337ae31a9b330bf66166dee81279faf1140c6b9cfc3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7187d13de7829e1681b1abd01c8dd3504b4cc8070b94eae865054f345179a91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2025-03-27T18:01:03Z",
    "title_canon_sha256": "4659d2ba30d726a992e4d75beb49761dec5eb1d238b0775d6475e69b28a7daf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21882",
    "kind": "arxiv",
    "version": 2
  }
}