Pith Number

pith:4UXCP442

pith:2016:4UXCP442XKHMOYSCZUNEPJSEC3

not attested not anchored not stored refs pending

Topological classification of systems of bilinear and sesquilinear forms

Carlos M. da Fonseca, Tetiana Rybalkina, Vladimir V. Sergeichuk, Vyacheslav Futorny

arxiv:1611.08716 v1 · 2016-11-26 · math.RT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UXCP442XKHMOYSCZUNEPJSEC3}

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	2026-05-18T00:55:54.194720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52e27f39aba8ec76242cd1a47a64416c9a2130c5a171c7502c598ca398d39d1

Aliases

arxiv: 1611.08716 · arxiv_version: 1611.08716v1 · doi: 10.48550/arxiv.1611.08716 · pith_short_12: 4UXCP442XKHM · pith_short_16: 4UXCP442XKHMOYSC · pith_short_8: 4UXCP442

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/4UXCP442XKHMOYSCZUNEPJSEC3 \
  | 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: e52e27f39aba8ec76242cd1a47a64416c9a2130c5a171c7502c598ca398d39d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "304b3358190d08571aaf68ddb55a5f335141a4af3914c299e008ff99a9d01396",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-11-26T15:48:51Z",
    "title_canon_sha256": "bade6ebe30afa94ae41e89b85670a902e692c13b10ce90209b67af5b1a187665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08716",
    "kind": "arxiv",
    "version": 1
  }
}