Pith Number

pith:Z33ABX7X

pith:2014:Z33ABX7XPO6OVJS6YWOUCHPRPI

not attested not anchored not stored refs pending

A Polynomial Time Algorithm For The Conjugacy Decision and Search Problems in Free Abelian-by-Infinite Cyclic Groups

Bren Cavallo, Delaram Kahrobaei

arxiv:1410.5297 v1 · 2014-10-20 · math.GR · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z33ABX7XPO6OVJS6YWOUCHPRPI}

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	2026-05-18T02:39:46.386501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef600dff77bbceaa65ec59d411df17a0b721009fa097aa2ec259230e1d89ecb

Aliases

arxiv: 1410.5297 · arxiv_version: 1410.5297v1 · doi: 10.48550/arxiv.1410.5297 · pith_short_12: Z33ABX7XPO6O · pith_short_16: Z33ABX7XPO6OVJS6 · pith_short_8: Z33ABX7X

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/Z33ABX7XPO6OVJS6YWOUCHPRPI \
  | 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: cef600dff77bbceaa65ec59d411df17a0b721009fa097aa2ec259230e1d89ecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa66dc177fb1af449ff3bb3e9e9f7d1d9b2b14b42556b84e2ba3f13b0445eb57",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-10-20T14:42:46Z",
    "title_canon_sha256": "df4fa4b2d3eed47354baf167f9c6640f9b4a9be8a312a6b478c496e4b573a099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5297",
    "kind": "arxiv",
    "version": 1
  }
}