Pith Number

pith:XALL4DJU

pith:2019:XALL4DJUNBHBVUTO7MEFAIUYR7

not attested not anchored not stored refs pending

Quantum Crystal Structure in the 250 K Superconducting Lanthanum Hydride

Antonio Sanna, Francesco Belli, Francesco Mauri, Ion Errea, Jos\'e A. Flores-Livas, Lorenzo Monacelli, Matteo Calandra, Raffaello Bianco, Ryotaro Arita, Takashi Koretsune, Terumasa Tadano

arxiv:1907.11916 v1 · 2019-07-27 · 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{XALL4DJUNBHBVUTO7MEFAIUYR7}

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	2026-07-05T00:48:41.270420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b816be0d34684e1ad26efb085022988fc49dc94afacb072ded5bec03205e89ed

Aliases

arxiv: 1907.11916 · arxiv_version: 1907.11916v1 · doi: 10.48550/arxiv.1907.11916 · pith_short_12: XALL4DJUNBHB · pith_short_16: XALL4DJUNBHBVUTO · pith_short_8: XALL4DJU

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/XALL4DJUNBHBVUTO7MEFAIUYR7 \
  | 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: b816be0d34684e1ad26efb085022988fc49dc94afacb072ded5bec03205e89ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878ded9acda08afee5458e1ff369f1d7e7ed17379361d181d93e71bf7e1c73dc",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-07-27T14:01:04Z",
    "title_canon_sha256": "b2abc8092c7495887e46f21341b1bafe1574adf08b96ce69a906bf58bf544700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11916",
    "kind": "arxiv",
    "version": 1
  }
}