Pith Number

pith:LXSWK4V6

pith:2011:LXSWK4V6RPDBCBXVQJE6OA6GVZ

not attested not anchored not stored refs pending

Persistence of superconductivity in niobium ultrathin films grown on R-Plane Sapphire

Bernard Pannetier, C\'ecile Delacour, Luc Ortega, Marc Faucher, Thierry Crozes, Thierry Fournier, Vincent Bouchiat

arxiv:1102.0442 v1 · 2011-02-02 · cond-mat.mes-hall · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXSWK4V6RPDBCBXVQJE6OA6GVZ}

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	2026-05-18T03:52:12.522399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5de56572be8bc61106f58249e703c6ae523e0eda0bfaeefc5c681f8f2c556bcb

Aliases

arxiv: 1102.0442 · arxiv_version: 1102.0442v1 · doi: 10.48550/arxiv.1102.0442 · pith_short_12: LXSWK4V6RPDB · pith_short_16: LXSWK4V6RPDBCBXV · pith_short_8: LXSWK4V6

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/LXSWK4V6RPDBCBXVQJE6OA6GVZ \
  | 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: 5de56572be8bc61106f58249e703c6ae523e0eda0bfaeefc5c681f8f2c556bcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7021f02d796e59171afb9a5fb29a06d54ca8a9b4c47cc9736e9fd0995d31d5",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-02-02T14:33:35Z",
    "title_canon_sha256": "b9a97c04391223e23683d25aac9108e1ab46c45ba9a825e2f5e318735b4e1494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0442",
    "kind": "arxiv",
    "version": 1
  }
}