Pith Number

pith:Y4PHGMVJ

pith:2015:Y4PHGMVJAI2NZDAQJGKJ5JYEDY

not attested not anchored not stored refs pending

New Superconductivity Dome in LaFeAsO$_{1-x}$F$_{x}$ Accompanied by Structural Transition

Guo-qing Zheng, H. X. Yang, J. Q. Li, J. Yang, L. L. Wei, R. Zhou, Z. X. Zhao

arxiv:1507.01750 v2 · 2015-07-07 · 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{Y4PHGMVJAI2NZDAQJGKJ5JYEDY}

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	2026-05-18T01:31:37.797040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1

Aliases

arxiv: 1507.01750 · arxiv_version: 1507.01750v2 · doi: 10.48550/arxiv.1507.01750 · pith_short_12: Y4PHGMVJAI2N · pith_short_16: Y4PHGMVJAI2NZDAQ · pith_short_8: Y4PHGMVJ

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/Y4PHGMVJAI2NZDAQJGKJ5JYEDY \
  | 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: c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc500ec2f11d67b3faee2f323c3b25f12908730154c5d5456387a5a1ca91de4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-07-07T10:56:36Z",
    "title_canon_sha256": "db2375c5d970fa8b925aa49302a33ccca2af0340fb2fd27461615e0a6b5d988b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01750",
    "kind": "arxiv",
    "version": 2
  }
}