Pith Number

pith:7HFICL7P

pith:1999:7HFICL7PDLY7VPYTCO6JC5WOP2

not attested not anchored not stored refs pending

Traces of intertwiners for quantum groups and difference equations, I

Alexander Varchenko, Pavel Etingof

arxiv:math/9907181 v2 · 1999-07-27 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HFICL7PDLY7VPYTCO6JC5WOP2}

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.

Cited by

1 paper in Pith

Integrable systems inspired by DAHA and DIM algebra: type $C^\vee C$ versus type $A$

Receipt and verification

First computed	2026-07-04T14:41:15.337876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9ca812fef1af1fabf1313bc9176ce7e8d0949f9acc3f2aaf3c03e385b893a57

Aliases

arxiv: math/9907181 · arxiv_version: math/9907181v2 · doi: 10.48550/arxiv.math/9907181 · pith_short_12: 7HFICL7PDLY7 · pith_short_16: 7HFICL7PDLY7VPYT · pith_short_8: 7HFICL7P

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/7HFICL7PDLY7VPYTCO6JC5WOP2 \
  | 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: f9ca812fef1af1fabf1313bc9176ce7e8d0949f9acc3f2aaf3c03e385b893a57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b706b03e3dc84df4da07d12dd068485ff01a5dbdcb925a839d40cfadd4499d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "1999-07-27T23:47:53Z",
    "title_canon_sha256": "f9bc74f20f360f5a891d392d3685406139a20a60fd800623c8b8e3a93acf2c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9907181",
    "kind": "arxiv",
    "version": 2
  }
}