Pith Number

pith:JWHXW6PZ

pith:2015:JWHXW6PZPZQR4F24EGD6S7ZMN4

not attested not anchored not stored refs pending

Thermal expansion coefficient of single crystal silicon from 7 K to 293 K

Alexander Walkov, Guido Bartl, Ren\'e Sch\"odel, Thomas Middelmann

arxiv:1507.06822 v1 · 2015-07-24 · 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{JWHXW6PZPZQR4F24EGD6S7ZMN4}

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	2026-05-18T01:09:46.275490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8f7b79f97e611e175c2187e97f2c6f0ad4c5beaf4a17b6210030841466bc34

Aliases

arxiv: 1507.06822 · arxiv_version: 1507.06822v1 · doi: 10.48550/arxiv.1507.06822 · pith_short_12: JWHXW6PZPZQR · pith_short_16: JWHXW6PZPZQR4F24 · pith_short_8: JWHXW6PZ

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/JWHXW6PZPZQR4F24EGD6S7ZMN4 \
  | 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: 4d8f7b79f97e611e175c2187e97f2c6f0ad4c5beaf4a17b6210030841466bc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8a707b1ec5f32d6ef002803b6df450d194616fbb579ac17e381cde8e9c2d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-07-24T12:23:37Z",
    "title_canon_sha256": "cc1eb60a0d4b3d531749c0ddd8cf533af0fbd37cc02fe630bcac421939ab8ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06822",
    "kind": "arxiv",
    "version": 1
  }
}