Pith Number

pith:SCOSP4M2

pith:2009:SCOSP4M2JNOUAIPBR2WLPOHSUZ

not attested not anchored not stored refs pending

75As NMR Observation of Anisotropic Spin Fluctuations in the Ba[(Fe0.92Co0.08)2]2As2 Superconductor (Tc = 22 K)

Athena S Sefat, Brian C Sales, David Mandrus, Fanlong Ning, Kanagasingham Ahilan, Michael A. McGuire, Rongying Jin, Takashi Imai

arxiv:0904.1571 v1 · 2009-04-09 · 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{SCOSP4M2JNOUAIPBR2WLPOHSUZ}

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	2026-07-04T15:40:51.428794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909d27f19a4b5d4021e18eacb7b8f2a6774426252d4cf0e72dc1dec29a85d142

Aliases

arxiv: 0904.1571 · arxiv_version: 0904.1571v1 · doi: 10.48550/arxiv.0904.1571 · pith_short_12: SCOSP4M2JNOU · pith_short_16: SCOSP4M2JNOUAIPB · pith_short_8: SCOSP4M2

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/SCOSP4M2JNOUAIPBR2WLPOHSUZ \
  | 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: 909d27f19a4b5d4021e18eacb7b8f2a6774426252d4cf0e72dc1dec29a85d142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c146fb96ba473b140940a26cff279c7d228ef45b6b5fae16d12bae2870b3c63",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-04-09T17:27:10Z",
    "title_canon_sha256": "9f1f96527eb51e7cb79579363b6c4667e26ce93fe072a7145f1286997de7429b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1571",
    "kind": "arxiv",
    "version": 1
  }
}