Pith Number

pith:3XBLOIK4

pith:2013:3XBLOIK4QSP2LAOOBYBHCXCYK3

not attested not anchored not stored refs pending

Cohomological finiteness conditions and centralisers in generalisations of Thompson's group V

Brita E.A. Nucinkis, Conchita Martinez-Perez, Francesco Matucci

arxiv:1309.7858 v2 · 2013-09-30 · 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{3XBLOIK4QSP2LAOOBYBHCXCYK3}

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	2026-05-18T02:40:54.225108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc2b7215c849fa581ce0e02715c5856cc6fe1b24ee3cdeea9084ee830514762

Aliases

arxiv: 1309.7858 · arxiv_version: 1309.7858v2 · doi: 10.48550/arxiv.1309.7858 · pith_short_12: 3XBLOIK4QSP2 · pith_short_16: 3XBLOIK4QSP2LAOO · pith_short_8: 3XBLOIK4

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/3XBLOIK4QSP2LAOOBYBHCXCYK3 \
  | 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: ddc2b7215c849fa581ce0e02715c5856cc6fe1b24ee3cdeea9084ee830514762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eca77dcf1535828c241a104689b8e69715cb67679882c97fe093d83e305ad2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-09-30T14:31:19Z",
    "title_canon_sha256": "bda80ee29fe36e406bc8c678f0d62df69d0543a63e7188ebf674a4cedb664e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7858",
    "kind": "arxiv",
    "version": 2
  }
}