pith. sign in
Pith Number

pith:UN2MJWHX

pith:2013:UN2MJWHXFRMYJX5UAPQUJEDMC6
not attested not anchored not stored refs pending

Frequency Dependence of the Supersolid Signature in Polycrystalline 4He

Brian Cowan, George Nichols, Jan Nyeki, John Saunders, Malcolm Poole

arxiv:1311.3110 v2 · 2013-11-13 · cond-mat.other

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UN2MJWHXFRMYJX5UAPQUJEDMC6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T02:42:14.814812Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a374c4d8f72c5984dfb403e144906c17b0687cbccb5e1d8183069863d6f54d8f

Aliases

arxiv: 1311.3110 · arxiv_version: 1311.3110v2 · doi: 10.48550/arxiv.1311.3110 · pith_short_12: UN2MJWHXFRMY · pith_short_16: UN2MJWHXFRMYJX5U · pith_short_8: UN2MJWHX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UN2MJWHXFRMYJX5UAPQUJEDMC6 \
  | 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: a374c4d8f72c5984dfb403e144906c17b0687cbccb5e1d8183069863d6f54d8f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "195d551ca6fcb4c90303e1d676299b842ac6f600e1f7e5e90d129751eeb00846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2013-11-13T13:02:29Z",
    "title_canon_sha256": "f6c3ab704bef363758675b9771df27bb88120fdb1d3cfca87b3135309624adee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3110",
    "kind": "arxiv",
    "version": 2
  }
}