Pith Number

pith:MO4UMSMJ

pith:2014:MO4UMSMJ7HEZLBVNHX7JQSMAZM

not attested not anchored not stored refs pending

Motivic decomposition of compactifications of certain group varieties

Alexander S. Merkurjev, Nikita A. Karpenko

arxiv:1402.5520 v1 · 2014-02-22 · 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{MO4UMSMJ7HEZLBVNHX7JQSMAZM}

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	2026-05-18T02:58:20.896861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63b9464989f9c99586ad3dfe984980cb0cfb4603be808041a5867e06cb73e6e4

Aliases

arxiv: 1402.5520 · arxiv_version: 1402.5520v1 · doi: 10.48550/arxiv.1402.5520 · pith_short_12: MO4UMSMJ7HEZ · pith_short_16: MO4UMSMJ7HEZLBVN · pith_short_8: MO4UMSMJ

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/MO4UMSMJ7HEZLBVNHX7JQSMAZM \
  | 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: 63b9464989f9c99586ad3dfe984980cb0cfb4603be808041a5867e06cb73e6e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53223a74b7f6bf7a83f7bb3538f9e1d0f64445350b76f694bb9472f21fe5c0e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-22T15:53:01Z",
    "title_canon_sha256": "b17dca4d9f258e61758b075c1ad0ec6aed37c2612f56e29077e602910318a165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5520",
    "kind": "arxiv",
    "version": 1
  }
}