Pith Number

pith:LWVLHBDB

pith:2014:LWVLHBDBZSVCRHYKSIWRT2AVVP

not attested not anchored not stored refs pending

Curvature invariant on noncommutative polyballs

Gelu Popescu

arxiv:1401.1394 v2 · 2014-01-07 · math.FA · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWVLHBDBZSVCRHYKSIWRT2AVVP}

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	2026-05-18T02:23:58.816140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5daab38461ccaa289f0a922d19e815abcbc9fc05c4afac14a11228a317db1502

Aliases

arxiv: 1401.1394 · arxiv_version: 1401.1394v2 · doi: 10.48550/arxiv.1401.1394 · pith_short_12: LWVLHBDBZSVC · pith_short_16: LWVLHBDBZSVCRHYK · pith_short_8: LWVLHBDB

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/LWVLHBDBZSVCRHYKSIWRT2AVVP \
  | 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: 5daab38461ccaa289f0a922d19e815abcbc9fc05c4afac14a11228a317db1502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c737b6d82b4b24f9a5ee28b2b0d1c90e7b00dc27f33d1ab6e41305e5204a0422",
    "cross_cats_sorted": [
      "math.CV",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-07T14:21:09Z",
    "title_canon_sha256": "ece4329d7e2e38f1c797ea0eeba9a4878f0f7a866f4dd60cf9ac83b9c664cffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1394",
    "kind": "arxiv",
    "version": 2
  }
}