Pith Number

pith:QXN6QJEP

pith:2015:QXN6QJEP6TGCAT6WLM2Z6HLKGN

not attested not anchored not stored refs pending

Cubic H$_3$S around 200 GPa: an atomic hydrogen superconductor stabilized by sulfur

B. M. Klein, D. A. Papaconstantopoulos, M. J. Mehl, W. E. Pickett

arxiv:1501.03950 v2 · 2015-01-16 · 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{QXN6QJEP6TGCAT6WLM2Z6HLKGN}

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	2026-05-18T02:02:08.018052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85dbe8248ff4cc204fd65b359f1d6a336c5212a2bfa6ead33e2ddd46ea869963

Aliases

arxiv: 1501.03950 · arxiv_version: 1501.03950v2 · doi: 10.48550/arxiv.1501.03950 · pith_short_12: QXN6QJEP6TGC · pith_short_16: QXN6QJEP6TGCAT6W · pith_short_8: QXN6QJEP

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/QXN6QJEP6TGCAT6WLM2Z6HLKGN \
  | 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: 85dbe8248ff4cc204fd65b359f1d6a336c5212a2bfa6ead33e2ddd46ea869963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c523504053dba25931ad4e21550948f1886f62594ef250ea65899d38d65aba4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-01-16T11:04:35Z",
    "title_canon_sha256": "65f4732b241451f80ca4930115d84246045428609f26e68072397edce4c5f68c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03950",
    "kind": "arxiv",
    "version": 2
  }
}