Pith Number

pith:J5KAY7N7

pith:1999:J5KAY7N7L67V27BHBIS56TVZDY

not attested not anchored not stored refs pending

Non-periodic Ising quantum chains and conformal invariance

Michael Baake, Uwe Grimm

arxiv:cond-mat/9902126 v1 · 1999-02-09 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5KAY7N7L67V27BHBIS56TVZDY}

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	2026-05-18T01:39:29.289274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f540c7dbf5fbf5d7c270a25df4eb91e192b3feee96e954fefcb02f9132a8365

Aliases

arxiv: cond-mat/9902126 · arxiv_version: cond-mat/9902126v1 · doi: 10.48550/arxiv.cond-mat/9902126 · pith_short_12: J5KAY7N7L67V · pith_short_16: J5KAY7N7L67V27BH · pith_short_8: J5KAY7N7

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/J5KAY7N7L67V27BHBIS56TVZDY \
  | 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: 4f540c7dbf5fbf5d7c270a25df4eb91e192b3feee96e954fefcb02f9132a8365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b700a42b231cffe0614431f86059d591a2aecddeab7d5e139e60a246112abba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "1999-02-09T21:50:27Z",
    "title_canon_sha256": "e0ec9e930fb247bde8550d01fa908e7995f138b22b8f578f394d7ae00668ce68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9902126",
    "kind": "arxiv",
    "version": 1
  }
}