Pith Number

pith:2IHJOLDI

pith:2018:2IHJOLDIE4LNFMM2MF5YD43WYR

not attested not anchored not stored refs pending

First-principles study of phonon anharmonicity and negative thermal expansion in ScF3

Ryosuke Akashi, Shinji Tsuneyuki, Terumasa Tadano, Yusuke Oba

arxiv:1810.08800 v4 · 2018-10-20 · 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{2IHJOLDIE4LNFMM2MF5YD43WYR}

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	2026-05-17T23:51:33.031025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20e972c682716d2b19a617b81f376c44a3697a1c74c13612ee0bab97c82f6b4

Aliases

arxiv: 1810.08800 · arxiv_version: 1810.08800v4 · doi: 10.48550/arxiv.1810.08800 · pith_short_12: 2IHJOLDIE4LN · pith_short_16: 2IHJOLDIE4LNFMM2 · pith_short_8: 2IHJOLDI

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/2IHJOLDIE4LNFMM2MF5YD43WYR \
  | 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: d20e972c682716d2b19a617b81f376c44a3697a1c74c13612ee0bab97c82f6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0b98c3eb6c9509027f8d197412473d1f7703250a27526a09dbb8521669a82a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-10-20T12:56:58Z",
    "title_canon_sha256": "3ccb2a4b25954ddd1a487fced9a43c248d912288ef9377d3b94fce93648ede4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08800",
    "kind": "arxiv",
    "version": 4
  }
}