Pith Number

pith:BKYKCET3

pith:2009:BKYKCET32J7POQTD7ZYRQ2QCBK

not attested not anchored not stored refs pending

Superconductivity Near a Quantum Critical Point in Ba(Fe,Co)2As2

A.S. Sefat, B. C. Sales, B. Shen, D. Mandrus, F. L. Ning, H.H. Wen, K. Ahilan, M. A. McGuire, P. Cheng, T. Imai

arxiv:0910.1071 v2 · 2009-10-06 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKYKCET32J7POQTD7ZYRQ2QCBK}

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	2026-05-18T02:11:26.120408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab0a1127bd27ef74263fe71186a020ab242c0b3729472b0374315cfa13d099c

Aliases

arxiv: 0910.1071 · arxiv_version: 0910.1071v2 · doi: 10.48550/arxiv.0910.1071 · pith_short_12: BKYKCET32J7P · pith_short_16: BKYKCET32J7POQTD · pith_short_8: BKYKCET3

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/BKYKCET32J7POQTD7ZYRQ2QCBK \
  | 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: 0ab0a1127bd27ef74263fe71186a020ab242c0b3729472b0374315cfa13d099c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "774be815c7756a588423be4db389edf4d30e97c9ed317f2fb9e59b4f064c9d4a",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-10-06T18:53:58Z",
    "title_canon_sha256": "b322e16e4abe613992e433511212eb464bfaa54527bc485ee47d1c9d163c199f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1071",
    "kind": "arxiv",
    "version": 2
  }
}