Pith Number

pith:EK5FSOTD

pith:2009:EK5FSOTD6LJQ6BJDRDDNXYKU4J

not attested not anchored not stored refs pending

Critical properties of superconducting Ba1-xKxFe2As2

A.Bharathi, A. T. Satya, C.S.Sundar, R.Paulraj, Shilpam Sharma, Y. Hariharan

arxiv:0902.0284 v1 · 2009-02-02 · 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{EK5FSOTD6LJQ6BJDRDDNXYKU4J}

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	2026-05-18T02:14:54.664531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ba593a63f2d30f052388c6dbe154e27d03bad8ba70f90eefb1b2d4a0eb8728

Aliases

arxiv: 0902.0284 · arxiv_version: 0902.0284v1 · doi: 10.48550/arxiv.0902.0284 · pith_short_12: EK5FSOTD6LJQ · pith_short_16: EK5FSOTD6LJQ6BJD · pith_short_8: EK5FSOTD

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/EK5FSOTD6LJQ6BJDRDDNXYKU4J \
  | 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: 22ba593a63f2d30f052388c6dbe154e27d03bad8ba70f90eefb1b2d4a0eb8728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5cdc623da985e0ec0bd35f6ac6f8c15368a66bb05be89e1b4d4816917bb36c2",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-02-02T13:47:38Z",
    "title_canon_sha256": "b87b23385bad5236e30bbc087ada10ff82b6c1bddd3d2fe2e7437b979eea0def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0284",
    "kind": "arxiv",
    "version": 1
  }
}