Pith Number

pith:5H5K6DGZ

pith:1999:5H5K6DGZEEFT5KCWTKP43WE5S7

not attested not anchored not stored refs pending

Separation of variables for quantum integrable systems on elliptic curves

Anke Schorr (ETH Zurich), Giovanni Felder

arxiv:math/9905072 v2 · 1999-05-12 · math.QA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5H5K6DGZEEFT5KCWTKP43WE5S7}

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	2026-05-18T01:05:33.054584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9faaf0cd9210b3ea8569a9fcdd89d97d885cac7b1c137879ad1339d30332c15

Aliases

arxiv: math/9905072 · arxiv_version: math/9905072v2 · doi: 10.48550/arxiv.math/9905072 · pith_short_12: 5H5K6DGZEEFT · pith_short_16: 5H5K6DGZEEFT5KCW · pith_short_8: 5H5K6DGZ

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/5H5K6DGZEEFT5KCWTKP43WE5S7 \
  | 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: e9faaf0cd9210b3ea8569a9fcdd89d97d885cac7b1c137879ad1339d30332c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ae4adadc18ab4de63bb1f750c7b8e998e9de84ddabd3c6b6dd383fa1b72aa2",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "1999-05-12T12:38:47Z",
    "title_canon_sha256": "402c2ac22b457f3ed19f119d307f25ed2824d86902007490d2f6c321925df9ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9905072",
    "kind": "arxiv",
    "version": 2
  }
}