Pith Number

pith:7QZY2VWR

pith:2007:7QZY2VWR24XQTJYENEGP33ZXMT

not attested not anchored not stored refs pending

Superfluidity of Grain Boundaries in Solid Helium-4

A. B. Kuklov, B. V. Svistunov, L. Pollet, M. Boninsegni, M. Troyer, N. V. Prokof'ev

arxiv:cond-mat/0702159 v2 · 2007-02-06 · cond-mat.stat-mech · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QZY2VWR24XQTJYENEGP33ZXMT}

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	2026-05-18T04:41:06.165791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc338d56d1d72f09a704690cfdef3764e6922cd9a7be1cc4de0fd1c986da812d

Aliases

arxiv: cond-mat/0702159 · arxiv_version: cond-mat/0702159v2 · doi: 10.48550/arxiv.cond-mat/0702159 · pith_short_12: 7QZY2VWR24XQ · pith_short_16: 7QZY2VWR24XQTJYE · pith_short_8: 7QZY2VWR

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/7QZY2VWR24XQTJYENEGP33ZXMT \
  | 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: fc338d56d1d72f09a704690cfdef3764e6922cd9a7be1cc4de0fd1c986da812d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f65c0df716324baa1636786e5bc7c6ef292dc515c6a5c4cd273c688de24934a3",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2007-02-06T22:52:55Z",
    "title_canon_sha256": "386434a7aa4a6e9b8d713be24cbabcf1ef9f14bf11ba4b4fb555d8ad4cd0ebe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0702159",
    "kind": "arxiv",
    "version": 2
  }
}