Pith Number

pith:2AMZ266T

pith:2019:2AMZ266TC2UOWUAXRQEATCHS43

not attested not anchored not stored refs pending

Farrell-Jones Conjecture for free-by-cyclic groups

Derrick Wigglesworth, Koji Fujiwara, Mladen Bestvina

arxiv:1906.00069 v2 · 2019-05-31 · 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{2AMZ266TC2UOWUAXRQEATCHS43}

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

1 paper in Pith

Conjugacy in a family of free-by-cyclic groups

Receipt and verification

First computed	2026-07-05T02:44:01.550433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0199d7bd316a8eb50178c080988f2e6d48ace72f08d93ba3dc79dc6bb097f39

Aliases

arxiv: 1906.00069 · arxiv_version: 1906.00069v2 · doi: 10.48550/arxiv.1906.00069 · pith_short_12: 2AMZ266TC2UO · pith_short_16: 2AMZ266TC2UOWUAX · pith_short_8: 2AMZ266T

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/2AMZ266TC2UOWUAXRQEATCHS43 \
  | 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: d0199d7bd316a8eb50178c080988f2e6d48ace72f08d93ba3dc79dc6bb097f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bcf777ab2d3f9cdcd3dadb1f98b8680856ecb5ef8951de6d90d038c3a984247",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-05-31T20:37:56Z",
    "title_canon_sha256": "020c790625e1d4cf91c6fb83ed2cbcb3d066c74d87fa264ea43db6d906b0c147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00069",
    "kind": "arxiv",
    "version": 2
  }
}