Pith Number

pith:5NO4EKIH

pith:2008:5NO4EKIHHYBRYYE46PCZHEDZ6I

not attested not anchored not stored refs pending

Superconductivity in Fluorine-Arsenide Sr_{1-x}La_xFeAsF

Bing Shen, Fei Han, Gang Mu, Hai-Hu Wen, Peng Cheng, Xiyu Zhu

arxiv:0810.2531 v3 · 2008-10-14 · 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{5NO4EKIHHYBRYYE46PCZHEDZ6I}

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	2026-07-04T15:53:08.233326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5dc229073e031c609cf3c5939079f23b9004adf274d1b1dac2d0ee31df29c9

Aliases

arxiv: 0810.2531 · arxiv_version: 0810.2531v3 · doi: 10.48550/arxiv.0810.2531 · pith_short_12: 5NO4EKIHHYBR · pith_short_16: 5NO4EKIHHYBRYYE4 · pith_short_8: 5NO4EKIH

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/5NO4EKIHHYBRYYE46PCZHEDZ6I \
  | 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: eb5dc229073e031c609cf3c5939079f23b9004adf274d1b1dac2d0ee31df29c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134d54e021a72e5f1ea8b3799634db9e2ae44be0550aab48b2d3512845deb442",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-10-14T19:52:42Z",
    "title_canon_sha256": "ab37f9593bdad8f6d5cfd89ea49c92a358b02617768e628b8c615521003ede8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2531",
    "kind": "arxiv",
    "version": 3
  }
}