Pith Number

pith:56WEDT2O

pith:2022:56WEDT2OWITE2KFKPEKUZXKE3Q

not attested not anchored not stored refs pending

Berezinskii-Kosterlitz-Thouless transitions in an easy-plane ferromagnetic superfluid

Andrew J. Groszek, Andrew P. C. Underwood, L. A. Williamson, P. B. Blakie, Xiaoquan Yu

arxiv:2207.14497 v2 · 2022-07-29 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56WEDT2OWITE2KFKPEKUZXKE3Q}

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	2026-07-05T05:55:10.416087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efac41cf4eb2264d28aa79154cdd44dc25b4c4e749fc491b3ed4780187802c3c

Aliases

arxiv: 2207.14497 · arxiv_version: 2207.14497v2 · doi: 10.48550/arxiv.2207.14497 · pith_short_12: 56WEDT2OWITE · pith_short_16: 56WEDT2OWITE2KFK · pith_short_8: 56WEDT2O

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/56WEDT2OWITE2KFKPEKUZXKE3Q \
  | 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: efac41cf4eb2264d28aa79154cdd44dc25b4c4e749fc491b3ed4780187802c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c66822fe95c6636ea988af304d475292d7b1b05f35287f4a7fb5c0cbcb2f8a57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2022-07-29T06:24:34Z",
    "title_canon_sha256": "4072ea70a1eb14f368eec4accb6b057bbdc1e8ae99a5f16e67edc5240067f5d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14497",
    "kind": "arxiv",
    "version": 2
  }
}