Pith Number

pith:MXYPX63V

pith:2009:MXYPX63V22BI4EDJQDKFSG25YC

not attested not anchored not stored refs pending

Numerical study of the hard-core Bose-Hubbard Model on an Infinite Square Lattice

Guifre Vidal, Jacob Jordan, Roman Orus

arxiv:0901.0420 v2 · 2009-01-05 · 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{MXYPX63V22BI4EDJQDKFSG25YC}

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	2026-05-18T03:24:08.434285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f0fbfb75d6828e106980d4591b5dc0a433684f496eabfb8517ab8543694f8d

Aliases

arxiv: 0901.0420 · arxiv_version: 0901.0420v2 · doi: 10.48550/arxiv.0901.0420 · pith_short_12: MXYPX63V22BI · pith_short_16: MXYPX63V22BI4EDJ · pith_short_8: MXYPX63V

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/MXYPX63V22BI4EDJQDKFSG25YC \
  | 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: 65f0fbfb75d6828e106980d4591b5dc0a433684f496eabfb8517ab8543694f8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54199ebb8bb2270fc57befce96d01c827c3899542f05037818a094328029664f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-01-05T05:05:13Z",
    "title_canon_sha256": "396582de1ba01dc4e572dea017d3b8b393277da9a103f1c0e819079bd252ed3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0420",
    "kind": "arxiv",
    "version": 2
  }
}