Pith Number

pith:64ZWWXHS

pith:1997:64ZWWXHS6KVMYU7XJNHU2X5BGD

not attested not anchored not stored refs pending

From Nagaoka's ferromagnetism to flat-band ferromagnetism and beyond: An introduction to ferromagnetism in the Hubbard model

Hal Tasaki

arxiv:cond-mat/9712219 v3 · 1997-12-18 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64ZWWXHS6KVMYU7XJNHU2X5BGD}

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

Antiferromagnetism and Tightly Bound Cooper Pairs Induced by Kinetic Frustration

Receipt and verification

First computed	2026-07-04T16:04:33.995786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7336b5cf2f2aacc53f74b4f4d5fa130d3ab95d53d52402554f664f05078f17b

Aliases

arxiv: cond-mat/9712219 · arxiv_version: cond-mat/9712219v3 · doi: 10.48550/arxiv.cond-mat/9712219 · pith_short_12: 64ZWWXHS6KVM · pith_short_16: 64ZWWXHS6KVMYU7X · pith_short_8: 64ZWWXHS

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/64ZWWXHS6KVMYU7XJNHU2X5BGD \
  | 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: f7336b5cf2f2aacc53f74b4f4d5fa130d3ab95d53d52402554f664f05078f17b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef2e6c528eebf05ab7a6f1bb8f840eb64df9446f3efb7869003c7b92f9b44ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "1997-12-18T03:06:37Z",
    "title_canon_sha256": "86cdbaae7313105f24ff6fb1abcb058a62d39d740b822c932582bd466b052742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9712219",
    "kind": "arxiv",
    "version": 3
  }
}