Pith Number

pith:44NW53JS

pith:2017:44NW53JSC5HB2ZWQ3QNHAEXAFM

not attested not anchored not stored refs pending

Ferromagnetism in the Hubbard model with a gapless nearly-flat band

Akinori Tanaka

arxiv:1707.03944 v2 · 2017-07-13 · 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{44NW53JSC5HB2ZWQ3QNHAEXAFM}

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	2026-05-18T00:25:56.629493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e71b6eed32174e1d66d0dc1a7012e02b095c1f601f34fc42fec7068cb09bd408

Aliases

arxiv: 1707.03944 · arxiv_version: 1707.03944v2 · doi: 10.48550/arxiv.1707.03944 · pith_short_12: 44NW53JSC5HB · pith_short_16: 44NW53JSC5HB2ZWQ · pith_short_8: 44NW53JS

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/44NW53JSC5HB2ZWQ3QNHAEXAFM \
  | 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: e71b6eed32174e1d66d0dc1a7012e02b095c1f601f34fc42fec7068cb09bd408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9e7dfe44965deb87bd23d29bee3463f5d6cd36c07128084ce478e5c3d3a02a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-07-13T00:55:49Z",
    "title_canon_sha256": "eb3c036212dd55c8c82225c2875e5b6b330a5e26dafd6f9cfe57dbb9fc609b17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03944",
    "kind": "arxiv",
    "version": 2
  }
}