Pith Number

pith:5LQR3BYN

pith:2016:5LQR3BYN56NSDFCKCKT4NGVGDV

not attested not anchored not stored refs pending

Rost invariant on the center, revisited

A.S. Merkurjev, S. Garibaldi

arxiv:1609.03624 v1 · 2016-09-12 · 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{5LQR3BYN56NSDFCKCKT4NGVGDV}

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	2026-05-18T00:34:31.592951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae11d870def9b21944a12a7c69aa61d43ec002668dfdbfaf2aa55e3ef770811

Aliases

arxiv: 1609.03624 · arxiv_version: 1609.03624v1 · doi: 10.48550/arxiv.1609.03624 · pith_short_12: 5LQR3BYN56NS · pith_short_16: 5LQR3BYN56NSDFCK · pith_short_8: 5LQR3BYN

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/5LQR3BYN56NSDFCKCKT4NGVGDV \
  | 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: eae11d870def9b21944a12a7c69aa61d43ec002668dfdbfaf2aa55e3ef770811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0795ccc25a66a980954bedacd6e1eabac01298411e60d136e18dd6092189518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-09-12T22:53:37Z",
    "title_canon_sha256": "8427440d79049e9ce953b37dcbfe0d0152a4aeb9b6680b5339927e44d8307712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03624",
    "kind": "arxiv",
    "version": 1
  }
}