Pith Number

pith:R7JASUCG

pith:2008:R7JASUCGQX7JTOLKQHOJD7S3GP

not attested not anchored not stored refs pending

Superconducting properties of Fe-based layered superconductor LaO$_{0.9}$F$_{0.1-\delta}$FeAs

D. Wu, G. F. Chen, G. Li, H. Q. Yuan, J. Dong, J. L. Luo, J. Singleton, J. Zhou, N. L. Wang, P. Zheng, W. Z. Hu, Z. J. Chen, Z. Li

arxiv:0803.0128 v2 · 2008-03-03 · 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{R7JASUCGQX7JTOLKQHOJD7S3GP}

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	2026-07-04T17:09:39.409286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd209504685fe99b96a81dc91fe5b33e74887066deb2cea797975c74192a5a4

Aliases

arxiv: 0803.0128 · arxiv_version: 0803.0128v2 · doi: 10.48550/arxiv.0803.0128 · pith_short_12: R7JASUCGQX7J · pith_short_16: R7JASUCGQX7JTOLK · pith_short_8: R7JASUCG

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/R7JASUCGQX7JTOLKQHOJD7S3GP \
  | 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: 8fd209504685fe99b96a81dc91fe5b33e74887066deb2cea797975c74192a5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb1a21efac65b2098c1576091da6e3e06b7e2caee54ce283c5daae2548aa22f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-03-03T01:13:07Z",
    "title_canon_sha256": "b9b9fba28045e073a456cc847f16a4ad817cd0c80e1e15e7ac1ab0dba3cf18cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0128",
    "kind": "arxiv",
    "version": 2
  }
}