Pith Number

pith:RWNGSF2F

pith:2010:RWNGSF2FRL6APXRX7BX4KYBUNM

not attested not anchored not stored refs pending

FeAs-based superconductivity: a case study of the effects of transition metal doping on BaFe2As2

Paul C. Canfield, Sergey L. Bud'ko

arxiv:1002.0858 v1 · 2010-02-03 · 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{RWNGSF2FRL6APXRX7BX4KYBUNM}

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	2026-05-18T02:09:19.931695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d9a6917458afc07de37f86fc560346b1c78006bf3a59acbe0c9f409e7dcf550

Aliases

arxiv: 1002.0858 · arxiv_version: 1002.0858v1 · doi: 10.48550/arxiv.1002.0858 · pith_short_12: RWNGSF2FRL6A · pith_short_16: RWNGSF2FRL6APXRX · pith_short_8: RWNGSF2F

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/RWNGSF2FRL6APXRX7BX4KYBUNM \
  | 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: 8d9a6917458afc07de37f86fc560346b1c78006bf3a59acbe0c9f409e7dcf550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ab3187b81023cb0d1e771071e5d05715e80aae260343eac79a304e611e7c82d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-02-03T21:32:50Z",
    "title_canon_sha256": "1bd66b7d9ad155d6efb499a2b6f0cda201e0109012ee1cce858762f58d8ab6be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0858",
    "kind": "arxiv",
    "version": 1
  }
}