Pith Number

pith:Y6HYQCMS

pith:2016:Y6HYQCMSTGSN5OMKGZTZSRRATJ

not attested not anchored not stored refs pending

The Farrell-Jones Conjecture for mapping class groups

Arthur Bartels, Mladen Bestvina

arxiv:1606.02844 v2 · 2016-06-09 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6HYQCMSTGSN5OMKGZTZSRRATJ}

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	2026-05-18T00:03:25.374974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78f88099299a4deb98a36679946209a75e8111e196b02c5e2eb662dd9c85caa

Aliases

arxiv: 1606.02844 · arxiv_version: 1606.02844v2 · doi: 10.48550/arxiv.1606.02844 · pith_short_12: Y6HYQCMSTGSN · pith_short_16: Y6HYQCMSTGSN5OMK · pith_short_8: Y6HYQCMS

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/Y6HYQCMSTGSN5OMKGZTZSRRATJ \
  | 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: c78f88099299a4deb98a36679946209a75e8111e196b02c5e2eb662dd9c85caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0fc9da578582f6549613dc6cb644176ce3d97c4db9031e71d769a300bab98c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-06-09T07:19:49Z",
    "title_canon_sha256": "f234625fc5a273262885f0d25b8d20b2447f19b5168d7dbaae4486a95657ebc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02844",
    "kind": "arxiv",
    "version": 2
  }
}