Pith Number

pith:IXKW2G47

pith:2013:IXKW2G47FQNGJEY4LUVGFFVDVO

not attested not anchored not stored refs pending

{\alpha}-FeAs-free SmFeAsO1-xFx by low temperature sintering with slow cooling

Hiroaki Kumakura, Hiroshi Hara, Hiroyuki Okazaki, Hiroyuki Takeya, Keita Deguchi, Masaya Fujioka, Saleem James Denholme, Satoshi Demura, Takahide Yamaguchi, Tohru Watanabe, Toshinori Ozaki, Yoshihiko Takano

arxiv:1303.1309 v2 · 2013-03-06 · 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{IXKW2G47FQNGJEY4LUVGFFVDVO}

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	2026-05-18T01:51:16.327258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d56d1b9f2c1a64931c5d2a6296a3ab994bd90b50e871c5c89be5f9e55bb208

Aliases

arxiv: 1303.1309 · arxiv_version: 1303.1309v2 · doi: 10.48550/arxiv.1303.1309 · pith_short_12: IXKW2G47FQNG · pith_short_16: IXKW2G47FQNGJEY4 · pith_short_8: IXKW2G47

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/IXKW2G47FQNGJEY4LUVGFFVDVO \
  | 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: 45d56d1b9f2c1a64931c5d2a6296a3ab994bd90b50e871c5c89be5f9e55bb208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9260e83c8905df26023d4ceb654f0de08f498b3312229b5b2dc68f719bfadad2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-03-06T12:11:29Z",
    "title_canon_sha256": "46c193daf0be39c6fafc729fac548f774bb852f7cf313ce46377a8a86ed2c3a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1309",
    "kind": "arxiv",
    "version": 2
  }
}