Pith Number

pith:X4SOFJ6O

pith:2013:X4SOFJ6O5LK26KODA4V4M2LZ4T

not attested not anchored not stored refs pending

Transition Temperature and Upper Critical Field in SmFeAsO1-xFx Synthesized at Low Heating Temperatures

A. Yamamoto, H. Ogino, J. Shimoyama, K. Kishio, S. J. Singh

arxiv:1303.4163 v1 · 2013-03-18 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4SOFJ6O5LK26KODA4V4M2LZ4T}

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	2026-05-18T03:30:39.621166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf24e2a7ceead5af29c3072bc66979e4e2df7b615f8d1229d21d1694fd6dad0d

Aliases

arxiv: 1303.4163 · arxiv_version: 1303.4163v1 · doi: 10.48550/arxiv.1303.4163 · pith_short_12: X4SOFJ6O5LK2 · pith_short_16: X4SOFJ6O5LK26KOD · pith_short_8: X4SOFJ6O

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/X4SOFJ6O5LK26KODA4V4M2LZ4T \
  | 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: bf24e2a7ceead5af29c3072bc66979e4e2df7b615f8d1229d21d1694fd6dad0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c740c2ecb36e5d5036baf88e8f2dabffdf0b8b0506f54f6ed67c5482743975",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-03-18T06:16:21Z",
    "title_canon_sha256": "0459b6f2d6db341e9d7d33a46217da81533b284b4be987ca1d86a651aac6aa6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4163",
    "kind": "arxiv",
    "version": 1
  }
}