Pith Number

pith:6SRD3U3T

pith:2010:6SRD3U3TMLDTJM6TGOACPDFD6X

not attested not anchored not stored refs pending

Potassium-doped BaFe2As2 superconducting thin films with a transition temperature of 40 K

Dong Ho Kim, Nam Hoon Lee, Soon-Gil Jung, Won Nam Kang

arxiv:1004.4751 v1 · 2010-04-27 · 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{6SRD3U3TMLDTJM6TGOACPDFD6X}

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	2026-05-18T02:07:53.346726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4a23dd37362c734b3d33380278ca3f5e226d973c723413dea68d90909781014

Aliases

arxiv: 1004.4751 · arxiv_version: 1004.4751v1 · doi: 10.48550/arxiv.1004.4751 · pith_short_12: 6SRD3U3TMLDT · pith_short_16: 6SRD3U3TMLDTJM6T · pith_short_8: 6SRD3U3T

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/6SRD3U3TMLDTJM6TGOACPDFD6X \
  | 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: f4a23dd37362c734b3d33380278ca3f5e226d973c723413dea68d90909781014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aa08c9cbf8398cc2fe41c4ae11b9b1ff505a696b231757bcb6d131bed8549ac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-04-27T10:04:57Z",
    "title_canon_sha256": "1398e5334d056f56b2e806ae7ef628eb490676ba8138672888034cad5f81a2f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4751",
    "kind": "arxiv",
    "version": 1
  }
}