Pith Number

pith:7IX7EO3F

pith:2017:7IX7EO3FQZMZIOT6CXCUAY2SE7

not attested not anchored not stored refs pending

A Generalization of a Power-Conjugacy Problem in Torsion-Free Negatively Curved Groups

Rita Gitik

arxiv:1712.02653 v1 · 2017-12-06 · 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{7IX7EO3FQZMZIOT6CXCUAY2SE7}

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	2026-05-18T00:28:33.295529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa2ff23b658659943a7e15c540635227ce75a1579d86ca2a84057ffda7b6f59f

Aliases

arxiv: 1712.02653 · arxiv_version: 1712.02653v1 · doi: 10.48550/arxiv.1712.02653 · pith_short_12: 7IX7EO3FQZMZ · pith_short_16: 7IX7EO3FQZMZIOT6 · pith_short_8: 7IX7EO3F

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/7IX7EO3FQZMZIOT6CXCUAY2SE7 \
  | 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: fa2ff23b658659943a7e15c540635227ce75a1579d86ca2a84057ffda7b6f59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e4e4461de09492c658f80d0731345ebf0d1edd30709500d7b6610f68d97b81e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-12-06T18:13:09Z",
    "title_canon_sha256": "9f0acf59817443321dd39f8be2d0480aa0f2d48a4f5a376ad8f5d4929c9e6a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02653",
    "kind": "arxiv",
    "version": 1
  }
}