Pith Number

pith:O65YXKO2

pith:2016:O65YXKO2NBKYUIHURPLQ47DETB

not attested not anchored not stored refs pending

Spectral analysis of two-dimensional Bose-Hubbard models

Darius Hoffmann, David Fischer, Sandro Wimberger

arxiv:1604.05664 v1 · 2016-04-19 · cond-mat.quant-gas · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O65YXKO2NBKYUIHURPLQ47DETB}

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	2026-05-18T01:16:23.996701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77bb8ba9da68558a20f48bd70e7c64987694d7d91a9402586f28e968420e949b

Aliases

arxiv: 1604.05664 · arxiv_version: 1604.05664v1 · doi: 10.48550/arxiv.1604.05664 · pith_short_12: O65YXKO2NBKY · pith_short_16: O65YXKO2NBKYUIHU · pith_short_8: O65YXKO2

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/O65YXKO2NBKYUIHURPLQ47DETB \
  | 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: 77bb8ba9da68558a20f48bd70e7c64987694d7d91a9402586f28e968420e949b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9940da1d53832a8997241c2dcfb95e82945e9f00c54a708967ac69f6627b1248",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2016-04-19T17:33:27Z",
    "title_canon_sha256": "4392b3fca2072e5a350037edb7c42aa6a12d4f336733eefb4ad9161b708c7b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05664",
    "kind": "arxiv",
    "version": 1
  }
}