Pith Number

pith:7PO2DC7U

pith:2018:7PO2DC7UKHZE6HXM7BGFZP4HDA

not attested not anchored not stored refs pending

On modules for meromorphic open-string vertex algebras

Fei Qi

arxiv:1801.08638 v3 · 2018-01-26 · math.QA · hep-th · math-ph · math.MP · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PO2DC7UKHZE6HXM7BGFZP4HDA}

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	2026-05-17T23:39:27.590463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbdda18bf451f24f1eecf84c5cbf87182701a53a2e39af8812205f96f9608a1f

Aliases

arxiv: 1801.08638 · arxiv_version: 1801.08638v3 · doi: 10.48550/arxiv.1801.08638 · pith_short_12: 7PO2DC7UKHZE · pith_short_16: 7PO2DC7UKHZE6HXM · pith_short_8: 7PO2DC7U

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/7PO2DC7UKHZE6HXM7BGFZP4HDA \
  | 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: fbdda18bf451f24f1eecf84c5cbf87182701a53a2e39af8812205f96f9608a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "113368653dc224fcc3b02a5c694079e33798fc01acbee9be91499bc75bede7ec",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-01-26T00:09:26Z",
    "title_canon_sha256": "9211afebca33f02c8717397ad20a176457e5d604d65b14288e11f3fdece9b0ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08638",
    "kind": "arxiv",
    "version": 3
  }
}