Pith Number

pith:JKXA3XPX

pith:2019:JKXA3XPXAZLJE5CSFYMJ2NGX5T

not attested not anchored not stored refs pending

Road to Room-Temperature Superconductivity: Tc above 260 K in Lanthanum Superhydride under Pressure

Hanyu Liu, Maddury Somayazulu, Muhtar Ahart, Russell J. Hemley

arxiv:1906.03462 v1 · 2019-06-08 · cond-mat.supr-con · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKXA3XPXAZLJE5CSFYMJ2NGX5T}

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	2026-05-17T23:43:48.423042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aae0dddf706569274522e189d34d7ecf9f0b88f514d53827cf584f4dcd14e58

Aliases

arxiv: 1906.03462 · arxiv_version: 1906.03462v1 · doi: 10.48550/arxiv.1906.03462 · pith_short_12: JKXA3XPXAZLJ · pith_short_16: JKXA3XPXAZLJE5CS · pith_short_8: JKXA3XPX

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/JKXA3XPXAZLJE5CSFYMJ2NGX5T \
  | 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: 4aae0dddf706569274522e189d34d7ecf9f0b88f514d53827cf584f4dcd14e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e916a2bf67a5cb2ddce2edb494fed46a335c547f61de714adce4005e6dbf87df",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-06-08T14:24:22Z",
    "title_canon_sha256": "9800190b40eb347286d677b2c265b7494c5f14d8d4199ae6ce048355acc87745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03462",
    "kind": "arxiv",
    "version": 1
  }
}