Pith Number

pith:GEANADWT

pith:2017:GEANADWTYLIZZORJN67YJIRVFY

not attested not anchored not stored refs pending

Quotient groups of IA-automorphisms of a free group of rank 3

A.I. Papistas, H. Sevaslidou, V. Metaftsis

arxiv:1701.02478 v1 · 2017-01-10 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEANADWTYLIZZORJN67YJIRVFY}

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	2026-05-18T00:53:04.163354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3100d00ed3c2d19cba296fbf84a2352e054efa3dd95c4dda34f52b1f5f9aaeb9

Aliases

arxiv: 1701.02478 · arxiv_version: 1701.02478v1 · doi: 10.48550/arxiv.1701.02478 · pith_short_12: GEANADWTYLIZ · pith_short_16: GEANADWTYLIZZORJ · pith_short_8: GEANADWT

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/GEANADWTYLIZZORJN67YJIRVFY \
  | 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: 3100d00ed3c2d19cba296fbf84a2352e054efa3dd95c4dda34f52b1f5f9aaeb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8aa59d75a087580d4a03b0a1e3fd2db84a8a21a854786aa9f541d5f347edade",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-10T08:48:28Z",
    "title_canon_sha256": "870de5674bd9c2607b8f11fc53e4c5160f150a105f576eb4f50ebfaff4704ff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02478",
    "kind": "arxiv",
    "version": 1
  }
}