Pith Number

pith:OP5PYETU

pith:2010:OP5PYETUOBCIOITGG7EGHIJKAP

not attested not anchored not stored refs pending

The gamma-filtration and the Rost invariant

Kirill Zainoulline, Skip Garibaldi

arxiv:1007.3482 v2 · 2010-07-20 · math.AG · 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{OP5PYETUOBCIOITGG7EGHIJKAP}

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	2026-05-18T02:32:54.695699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73fafc1274704487226637c863a12a03c931fd34f164801a66cf1773e0c885d9

Aliases

arxiv: 1007.3482 · arxiv_version: 1007.3482v2 · doi: 10.48550/arxiv.1007.3482 · pith_short_12: OP5PYETUOBCI · pith_short_16: OP5PYETUOBCIOITG · pith_short_8: OP5PYETU

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/OP5PYETUOBCIOITGG7EGHIJKAP \
  | 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: 73fafc1274704487226637c863a12a03c931fd34f164801a66cf1773e0c885d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b1b6cb00f1afb6f81214e169a8ad25ba48049883f56ec55cb871796ed68b749",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-07-20T18:57:01Z",
    "title_canon_sha256": "db0cfc21320385c510d3d754b1104121c80871cdccc0a410c930a27af37775ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3482",
    "kind": "arxiv",
    "version": 2
  }
}