Pith Number

pith:MPILSUPO

pith:2019:MPILSUPOQTXLZ24ADZLEK2ZZ6Y

not attested not anchored not stored refs pending

Beryllium Polyhydride Be4H8(H2)2 Synthesized at HP/HT

Hiroshi Fujihisa, Katsuya Shimizu, Keiji Kuno, Naohisa Hirao, Shigeo Sasaki, Takahiro Ishikawa, Takahiro Matsuoka, Takaya Nakagawa, Yasuo Ohishi

arxiv:1911.01526 v2 · 2019-11-04 · cond-mat.mtrl-sci · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPILSUPOQTXLZ24ADZLEK2ZZ6Y}

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	2026-07-05T02:03:24.500154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d0b951ee84eebceb801e56456b39f638b6ab2d8d2c9614c02a99d27ac0abb4

Aliases

arxiv: 1911.01526 · arxiv_version: 1911.01526v2 · doi: 10.48550/arxiv.1911.01526 · pith_short_12: MPILSUPOQTXL · pith_short_16: MPILSUPOQTXLZ24A · pith_short_8: MPILSUPO

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/MPILSUPOQTXLZ24ADZLEK2ZZ6Y \
  | 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: 63d0b951ee84eebceb801e56456b39f638b6ab2d8d2c9614c02a99d27ac0abb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c934aae66699dae699d062be15821e5750163b8a6daeba2f0f77f3bf636f3c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-11-04T23:11:15Z",
    "title_canon_sha256": "569921fd4a670c0daf6bbc2cbe866fd9caaf740272dd0e5a5eb84744d9fa1179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01526",
    "kind": "arxiv",
    "version": 2
  }
}