Pith Number

pith:4H26I32F

pith:2013:4H26I32FCYA5QOKXHFZAYZ3OFJ

not attested not anchored not stored refs pending

Optical properties and Mechanical properties of C, Si, Ge and 3C-SiC Materials Calculated from First Principles Theory

Feng Lu, Liang-fang Li, Xue-jie Liu

arxiv:1301.1745 v2 · 2013-01-09 · 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{4H26I32FCYA5QOKXHFZAYZ3OFJ}

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	2026-05-18T03:36:26.463750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f5e46f451601d8395739720c676e2a7fee0bbd5b4e9fcff775e146cdfd4afd

Aliases

arxiv: 1301.1745 · arxiv_version: 1301.1745v2 · doi: 10.48550/arxiv.1301.1745 · pith_short_12: 4H26I32FCYA5 · pith_short_16: 4H26I32FCYA5QOKX · pith_short_8: 4H26I32F

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/4H26I32FCYA5QOKXHFZAYZ3OFJ \
  | 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: e1f5e46f451601d8395739720c676e2a7fee0bbd5b4e9fcff775e146cdfd4afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d1d11f8dd32731c8206591fcab98f5e90ea0b2ffeae195f72dbc3ee02035c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-01-09T03:16:18Z",
    "title_canon_sha256": "b3730a70722762ff78918f48b282a5a35caf6336d8be8950535194361a5a9706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1745",
    "kind": "arxiv",
    "version": 2
  }
}