Pith Number

pith:H3SID4OT

pith:2013:H3SID4OTZM5HL7AKHORYMGOEVY

not attested not anchored not stored refs pending

Why is the superconducting Tc so high in rare-earth-doped CaFe2As2?

(2) Department of Chemistry, 3) ((1) Department of Physics, (3) Lawrence Berkeley National Laboratory, Berkeley, B. Lv (1), California, C. W. Chu (1, F. Y. Wei (1), Houston, J. K. Meen (2), L. Z. Deng (1), Texas, Texas Center for Superconductivity, University of Houston, USA, USA), Y. Y. Xue (1)

arxiv:1309.0034 v2 · 2013-08-30 · 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{H3SID4OTZM5HL7AKHORYMGOEVY}

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	2026-05-18T01:20:54.129877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ee481f1d3cb3a75fc0a3ba38619c4ae22ea3194f5c49646f7fe129d7faf808f

Aliases

arxiv: 1309.0034 · arxiv_version: 1309.0034v2 · doi: 10.48550/arxiv.1309.0034 · pith_short_12: H3SID4OTZM5H · pith_short_16: H3SID4OTZM5HL7AK · pith_short_8: H3SID4OT

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/H3SID4OTZM5HL7AKHORYMGOEVY \
  | 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: 3ee481f1d3cb3a75fc0a3ba38619c4ae22ea3194f5c49646f7fe129d7faf808f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc34501a6e9ea8694fc29c27da17e6795371b5a489f195dd14f6021c976040da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-08-30T21:43:52Z",
    "title_canon_sha256": "e8ecd3e584f0dfb40d3665bfe0a044ddcd370261f886f8f99f09c588d93aff95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0034",
    "kind": "arxiv",
    "version": 2
  }
}