Pith Number

pith:CHT4SVJR

pith:2015:CHT4SVJRALF6ZKXZ72F2QCZ5IR

not attested not anchored not stored refs pending

On the existence of real R-matrices for virtual link invariants

Alexander Schrijver, Bart Sevenster, Guus Regts

arxiv:1503.01882 v1 · 2015-03-06 · math.QA · math.CO · 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{CHT4SVJRALF6ZKXZ72F2QCZ5IR}

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	2026-05-18T02:25:27.355547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e7c9553102cbecaaf9fe8ba80b3d4459e2d93a890b309b2d301652be9bfa04

Aliases

arxiv: 1503.01882 · arxiv_version: 1503.01882v1 · doi: 10.48550/arxiv.1503.01882 · pith_short_12: CHT4SVJRALF6 · pith_short_16: CHT4SVJRALF6ZKXZ · pith_short_8: CHT4SVJR

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/CHT4SVJRALF6ZKXZ72F2QCZ5IR \
  | 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: 11e7c9553102cbecaaf9fe8ba80b3d4459e2d93a890b309b2d301652be9bfa04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66750aab05b1e4fbc7b4c49952340f9f309f4930422f0da134593bb98b041815",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-03-06T09:09:07Z",
    "title_canon_sha256": "9afb121b6870204af76230ec231ab95aa8ef082cbd08c94db44475beeb2caaf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01882",
    "kind": "arxiv",
    "version": 1
  }
}