Pith Number

pith:L6ZRJWIC

pith:2017:L6ZRJWICL7O647LU6LS3DNLABF

not attested not anchored not stored refs pending

On Tame Subgroups of Finitely Presented Groups

Rita Gitik

arxiv:1711.00542 v1 · 2017-11-01 · 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{L6ZRJWICL7O647LU6LS3DNLABF}

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	2026-05-18T00:31:30.274887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb314d9025fddee7d74f2e5b1b5600954b71be40044b5b5205a136affea038a

Aliases

arxiv: 1711.00542 · arxiv_version: 1711.00542v1 · doi: 10.48550/arxiv.1711.00542 · pith_short_12: L6ZRJWICL7O6 · pith_short_16: L6ZRJWICL7O647LU · pith_short_8: L6ZRJWIC

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/L6ZRJWICL7O647LU6LS3DNLABF \
  | 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: 5fb314d9025fddee7d74f2e5b1b5600954b71be40044b5b5205a136affea038a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3fb09c7e619673d882b20fa98392187474dfed73783c77630654489a2b65d8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-11-01T21:37:05Z",
    "title_canon_sha256": "601d9eb83b938e81f255db11b826ac507973248dcca34288fb1684c24afa05b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00542",
    "kind": "arxiv",
    "version": 1
  }
}