Pith Number

pith:Q4R75V3Q

pith:2008:Q4R75V3QC6FQXCMEXIBSTRW5TE

not attested not anchored not stored refs pending

Pressure Effect on Superconductivity of Iron-based Arsenic-oxide ReFeAsO0.85 (Re=Sm and Nd)

F. Zhou, G. Che, H.Zhang, J. Yang, L. Sun, W. Yi, X. Dai, X. Dong, X. Shen, Z. Fang, Z. Li, Z. Ren, Z. Zhao

arxiv:0807.0675 v2 · 2008-07-04 · 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{Q4R75V3QC6FQXCMEXIBSTRW5TE}

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	2026-05-18T04:41:35.145908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8723fed770178b0b8984ba0329c6dd991aa09cfe81ee4864d34c896660e9c599

Aliases

arxiv: 0807.0675 · arxiv_version: 0807.0675v2 · doi: 10.48550/arxiv.0807.0675 · pith_short_12: Q4R75V3QC6FQ · pith_short_16: Q4R75V3QC6FQXCME · pith_short_8: Q4R75V3Q

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/Q4R75V3QC6FQXCMEXIBSTRW5TE \
  | 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: 8723fed770178b0b8984ba0329c6dd991aa09cfe81ee4864d34c896660e9c599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2587d8bac6fcd86447206696c36c27c793ab9004e1c84be9ce9003955f1e5ce5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-07-04T03:37:45Z",
    "title_canon_sha256": "f91cf869b3d0fd8fd2dd5a7dae2a72344ee07addc4548ed6016363e83bbb7ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0675",
    "kind": "arxiv",
    "version": 2
  }
}