Pith Number

pith:6FAF2UUJ

pith:2009:6FAF2UUJANYNBYCPTM2Z366G2E

not attested not anchored not stored refs pending

Superconducting fluctuations in the reversible magnetization of the iron-pnictide $Ba_{1-x}K_xFe_2As_2$

A.D. Alvarenga, Hai-Hu Wen, Huiqian Luo, J.L. Pimentel Fr., L. Ghivelder, S. Salem-Sugui Jr., Zhaosheng Wang

arxiv:0902.1252 v2 · 2009-02-07 · 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{6FAF2UUJANYNBYCPTM2Z366G2E}

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	2026-07-04T15:46:58.353654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1405d52890370d0e04f9b359dfbc6d128ea1df734822e4c26530712bb98a6eb

Aliases

arxiv: 0902.1252 · arxiv_version: 0902.1252v2 · doi: 10.48550/arxiv.0902.1252 · pith_short_12: 6FAF2UUJANYN · pith_short_16: 6FAF2UUJANYNBYCP · pith_short_8: 6FAF2UUJ

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/6FAF2UUJANYNBYCPTM2Z366G2E \
  | 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: f1405d52890370d0e04f9b359dfbc6d128ea1df734822e4c26530712bb98a6eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe3d60e4b68c3d81805403c568566861dd4d9e1d8bbc53ad94e760f9a25fb67",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-02-07T17:31:09Z",
    "title_canon_sha256": "a9ec849bd3879cc30ac05053fbea53f00ac8ab564c29b0f8751bec83355f051f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1252",
    "kind": "arxiv",
    "version": 2
  }
}