Pith Number

pith:EPCB32ST

pith:2005:EPCB32STQNBQHOSGRIK6TUA7OG

not attested not anchored not stored refs pending

Darboux-covariant differential-difference operators and dressing chains

Sergey Leble

arxiv:math-ph/0504003 v1 · 2005-04-01 · 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{EPCB32STQNBQHOSGRIK6TUA7OG}

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	2026-05-18T01:05:30.154204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c41dea53834303ba468a15e9d01f7186fd9354d1ea052f7ad71baa8eb4e394

Aliases

arxiv: math-ph/0504003 · arxiv_version: math-ph/0504003v1 · doi: 10.48550/arxiv.math-ph/0504003 · pith_short_12: EPCB32STQNBQ · pith_short_16: EPCB32STQNBQHOSG · pith_short_8: EPCB32ST

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/EPCB32STQNBQHOSGRIK6TUA7OG \
  | 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: 23c41dea53834303ba468a15e9d01f7186fd9354d1ea052f7ad71baa8eb4e394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94be006c6ebb66df68c632d5e66c35e63d31ae1714d8ef020a2eb579f328eee9",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2005-04-01T16:50:12Z",
    "title_canon_sha256": "462a66227e8887931e580f235eda0f2818b4158532d7db7c60d7eeb2b8d53969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0504003",
    "kind": "arxiv",
    "version": 1
  }
}