Pith Number

pith:6XHU6EVL

pith:2018:6XHU6EVLBAGS52VNAJWNTBGDY2

not attested not anchored not stored refs pending

The Low-Dimensional Algebraic Cohomology of the Virasoro Algebra

Jill Ecker, Martin Schlichenmaier

arxiv:1805.08433 v1 · 2018-05-22 · math.RA · hep-th · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XHU6EVLBAGS52VNAJWNTBGDY2}

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	2026-05-17T23:45:38.425591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5cf4f12ab080d2eeaad026cd984c3c69d6eaeefddc4b150aff880e23b1fed89

Aliases

arxiv: 1805.08433 · arxiv_version: 1805.08433v1 · doi: 10.48550/arxiv.1805.08433 · pith_short_12: 6XHU6EVLBAGS · pith_short_16: 6XHU6EVLBAGS52VN · pith_short_8: 6XHU6EVL

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/6XHU6EVLBAGS52VNAJWNTBGDY2 \
  | 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: f5cf4f12ab080d2eeaad026cd984c3c69d6eaeefddc4b150aff880e23b1fed89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad61ca47aec35c4394444b6a81fd88cbfeb8172a2162b5325f6e0f42a7acd495",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-05-22T07:46:34Z",
    "title_canon_sha256": "90df608295dd0a27e729e2f07715d46562f861fbddf49e661c0ddc11eed4eee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08433",
    "kind": "arxiv",
    "version": 1
  }
}