Pith Number

pith:EEQTMDN7

pith:2016:EEQTMDN7WSAZRY4DUT6EBQPA2S

not attested not anchored not stored refs pending

$q$-Difference Kac-Schwarz Operators in Topological String Theory

Kanehisa Takasaki, Toshio Nakatsu

arxiv:1609.00882 v2 · 2016-09-04 · math-ph · hep-th · math.MP · math.QA · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEQTMDN7WSAZRY4DUT6EBQPA2S}

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	2026-05-18T00:50:19.270883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2121360dbfb48198e383a4fc40c1e0d48f5086bac64d8b130a624381f031a4da

Aliases

arxiv: 1609.00882 · arxiv_version: 1609.00882v2 · doi: 10.48550/arxiv.1609.00882 · pith_short_12: EEQTMDN7WSAZ · pith_short_16: EEQTMDN7WSAZRY4D · pith_short_8: EEQTMDN7

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/EEQTMDN7WSAZRY4DUT6EBQPA2S \
  | 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: 2121360dbfb48198e383a4fc40c1e0d48f5086bac64d8b130a624381f031a4da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a26d9de15ab33138c3001c0d22b795903dedf72841a186495742e70151c908d0",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "math.QA",
      "nlin.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-09-04T01:16:06Z",
    "title_canon_sha256": "5fbc7414d93048b577bf35177be9f4fc2893c72fe8011ff57f72e912154704e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00882",
    "kind": "arxiv",
    "version": 2
  }
}