Pith Number

pith:VVWQKYUI

pith:2011:VVWQKYUILVIUC5BARW2PFA2UG5

not attested not anchored not stored refs pending

A simple proof of the Abel-Ruffini theorem

A. Skopenkov

arxiv:1102.2100 v2 · 2011-02-10 · math.HO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVWQKYUILVIUC5BARW2PFA2UG5}

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	2026-05-18T03:25:16.444402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad6d0562885d514174208db4f2835437458a6cf2556b3f3a83e3a50deeb8b7c9

Aliases

arxiv: 1102.2100 · arxiv_version: 1102.2100v2 · doi: 10.48550/arxiv.1102.2100 · pith_short_12: VVWQKYUILVIU · pith_short_16: VVWQKYUILVIUC5BA · pith_short_8: VVWQKYUI

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/VVWQKYUILVIUC5BARW2PFA2UG5 \
  | 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: ad6d0562885d514174208db4f2835437458a6cf2556b3f3a83e3a50deeb8b7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c332f918ce6e4cfa397bb61f23c92d0cf758060a06626451a7d74c326473c12",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-02-10T12:43:10Z",
    "title_canon_sha256": "51c5e72fb57d1a2c556ad2c9065f8731ebf325bab68cfc1d553cc8e512ded0eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2100",
    "kind": "arxiv",
    "version": 2
  }
}