Pith Number

pith:ERH7262E

pith:2013:ERH7262ETR5O333R3N3UUXPOXV

not attested not anchored not stored refs pending

Rationally trivial quadratic spaces are locally trivial:III

Ivan Panin, Konstantin Pimenov

arxiv:1302.4845 v1 · 2013-02-20 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERH7262ETR5O333R3N3UUXPOXV}

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	2026-05-18T03:33:10.831687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244ffd7b449c7aedef71db774a5deebd5551243cb9b46fe37e98b5ee33c31d3e

Aliases

arxiv: 1302.4845 · arxiv_version: 1302.4845v1 · doi: 10.48550/arxiv.1302.4845 · pith_short_12: ERH7262ETR5O · pith_short_16: ERH7262ETR5O333R · pith_short_8: ERH7262E

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/ERH7262ETR5O333R3N3UUXPOXV \
  | 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: 244ffd7b449c7aedef71db774a5deebd5551243cb9b46fe37e98b5ee33c31d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3bef8da3db499c959d9f799cb26884b2f279e605940c084b2e082652588b38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-20T09:26:35Z",
    "title_canon_sha256": "14d0d38a6ef58f12e0b739f649df9f368c8ff2e289904ec419c753d099a14901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4845",
    "kind": "arxiv",
    "version": 1
  }
}