Pith Number

pith:PPUESR5Y

pith:2017:PPUESR5YA5UYGQUU6PSN7YCPV7

not attested not anchored not stored refs pending

Antiferromagnetic order in the Hubbard Model on the Penrose Lattice

Akihisa Koga, Hirokazu Tsunetsugu

arxiv:1709.01516 v2 · 2017-09-05 · 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{PPUESR5YA5UYGQUU6PSN7YCPV7}

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	2026-05-18T00:28:14.330428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be84947b80769834294f3e4dfe04fafef2f6e0533df2fba7bec1ccd11501f13

Aliases

arxiv: 1709.01516 · arxiv_version: 1709.01516v2 · doi: 10.48550/arxiv.1709.01516 · pith_short_12: PPUESR5YA5UY · pith_short_16: PPUESR5YA5UYGQUU · pith_short_8: PPUESR5Y

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/PPUESR5YA5UYGQUU6PSN7YCPV7 \
  | 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: 7be84947b80769834294f3e4dfe04fafef2f6e0533df2fba7bec1ccd11501f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd603a16862148008d029aa8754558135f53d1ab1c0f88a681235967a9013ded",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-09-05T18:00:01Z",
    "title_canon_sha256": "8d1c1061493d8f4dbb3a6fffd896cf14f9402429d5be29993a10cd2371fe7845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01516",
    "kind": "arxiv",
    "version": 2
  }
}