Pith Number

pith:JGAFQHFR

pith:2012:JGAFQHFREV56UBZKBBJYE3QZGC

not attested not anchored not stored refs pending

Magnetic penetration-depth measurements of a suppressed superfluid density of superconducting Ca$_{0.5}$Na$_{0.5}$Fe$_2$As$_2$ single crystals by proton irradiation

E. Nazaretski, F. Ronning, G. F. Chen, I. Usov, J. D. Thompson, Jeehoon Kim, L. Civale, M. J. Graf, N. Haberkorn, R. Movshovich, W. Yu

arxiv:1209.6397 v1 · 2012-09-28 · 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{JGAFQHFREV56UBZKBBJYE3QZGC}

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	2026-05-18T03:43:39.795585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4980581cb1257bea072a0853826e19309efb1e5ac89c91440a858d2ab954e986

Aliases

arxiv: 1209.6397 · arxiv_version: 1209.6397v1 · doi: 10.48550/arxiv.1209.6397 · pith_short_12: JGAFQHFREV56 · pith_short_16: JGAFQHFREV56UBZK · pith_short_8: JGAFQHFR

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/JGAFQHFREV56UBZKBBJYE3QZGC \
  | 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: 4980581cb1257bea072a0853826e19309efb1e5ac89c91440a858d2ab954e986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b5204c5f6a4d710760dc1e485e409384a071e0ed561b0f60537848c7523f5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-09-28T00:07:17Z",
    "title_canon_sha256": "9e80c6cc36d561dd2f7784daaa450c5875d867d80ba35cf57555fb83da513026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6397",
    "kind": "arxiv",
    "version": 1
  }
}