Pith Number

pith:22EUVTJX

pith:2012:22EUVTJXSUIUOZEEHGRUMRXVSE

not attested not anchored not stored refs pending

Uniqueness of large solutions

Louis Dupaigne (LAMFA), Olivier Goubet (LAMFA), Ovidiu Costin

arxiv:1202.2217 v1 · 2012-02-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22EUVTJXSUIUOZEEHGRUMRXVSE}

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	2026-05-18T04:02:36.885191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6894acd37951147648439a34646f59107646aa4be45600271594f1a946637cd

Aliases

arxiv: 1202.2217 · arxiv_version: 1202.2217v1 · doi: 10.48550/arxiv.1202.2217 · pith_short_12: 22EUVTJXSUIU · pith_short_16: 22EUVTJXSUIUOZEE · pith_short_8: 22EUVTJX

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/22EUVTJXSUIUOZEEHGRUMRXVSE \
  | 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: d6894acd37951147648439a34646f59107646aa4be45600271594f1a946637cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a745fcf4c4541e635889a3c644fec294cd5ebfd4db8c30344943810376e0ebf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-02-10T09:26:53Z",
    "title_canon_sha256": "a3ca02d04929a585d47f9fe5cac7a0328d367c5b807532e07a151bc3187f9db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2217",
    "kind": "arxiv",
    "version": 1
  }
}