Pith Number

pith:7ZD2KH7G

pith:2010:7ZD2KH7GNQEPG6KDFKRIZWUGWH

not attested not anchored not stored refs pending

Poor man's derivation of the Bethe-Ansatz equations for the Dicke model

Daniel Loss, Jan von Delft, Oleksandr Tsyplyatyev

arxiv:1008.1844 v1 · 2010-08-11 · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZD2KH7GNQEPG6KDFKRIZWUGWH}

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	2026-05-18T02:05:49.508916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672

Aliases

arxiv: 1008.1844 · arxiv_version: 1008.1844v1 · doi: 10.48550/arxiv.1008.1844 · pith_short_12: 7ZD2KH7GNQEP · pith_short_16: 7ZD2KH7GNQEPG6KD · pith_short_8: 7ZD2KH7G

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/7ZD2KH7GNQEPG6KDFKRIZWUGWH \
  | 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: fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb71e0a35327f34eeeeb05c8f5701f58ab451bf3261dfdfba0d4fff9950829fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2010-08-11T07:27:09Z",
    "title_canon_sha256": "c3bf8e048b83552edfbbc00d663a0dca441da87267bb1bda07f4ca4c7bb14237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1844",
    "kind": "arxiv",
    "version": 1
  }
}