Pith Number

pith:W5NELEPQ

pith:2016:W5NELEPQS43ULPVKMB35PJ63IN

not attested not anchored not stored refs pending

A nuclear quantum effect with pure anharmonicity and the anomalous thermal expansion of silicon

B. Fultz, C.W. Li, D.L. Abernathy, D.S. Kim, H.L. Smith, J. Herriman, J.L. Niedziela, J.Y.Y. Lin, N. Shulumba, O. Hellman

arxiv:1610.08737 v4 · 2016-10-27 · 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{W5NELEPQS43ULPVKMB35PJ63IN}

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	2026-05-18T00:08:23.939405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75a4591f0973745beaa6077d7a7db43577a3ec11f537422b33aa3ac4d0f48a6

Aliases

arxiv: 1610.08737 · arxiv_version: 1610.08737v4 · doi: 10.48550/arxiv.1610.08737 · pith_short_12: W5NELEPQS43U · pith_short_16: W5NELEPQS43ULPVK · pith_short_8: W5NELEPQ

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/W5NELEPQS43ULPVKMB35PJ63IN \
  | 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: b75a4591f0973745beaa6077d7a7db43577a3ec11f537422b33aa3ac4d0f48a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45bc3eeac8ba374f95fcbb75fe36317608ee96fcc0b172ee1602366a0be3f6b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2016-10-27T12:10:37Z",
    "title_canon_sha256": "6607acb30606f7017272e5dc50dc59c7597e04aa187f1dafd3cd4af5b8bc7990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08737",
    "kind": "arxiv",
    "version": 4
  }
}