Pith Number

pith:4H7PLVGU

pith:2009:4H7PLVGUUSZQSLWIP2IQSHHQGJ

not attested not anchored not stored refs pending

Alloying effects on the optical properties of Ge$_{1-x}$Si$_x$ nanocrystals from TDDFT and comparison with effective-medium theory

Hans-Christian Weissker, Miguel A. L. Marques, Silvana Botti

arxiv:0901.4706 v1 · 2009-01-29 · 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{4H7PLVGUUSZQSLWIP2IQSHHQGJ}

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	2026-05-18T03:24:08.106133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1fef5d4d4a4b3092ec87e91091cf0324b8998186ad3246c4bd87547f237c2bc

Aliases

arxiv: 0901.4706 · arxiv_version: 0901.4706v1 · doi: 10.48550/arxiv.0901.4706 · pith_short_12: 4H7PLVGUUSZQ · pith_short_16: 4H7PLVGUUSZQSLWI · pith_short_8: 4H7PLVGU

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/4H7PLVGUUSZQSLWIP2IQSHHQGJ \
  | 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: e1fef5d4d4a4b3092ec87e91091cf0324b8998186ad3246c4bd87547f237c2bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0fe9005b42685077ef47a68548d92b08463ecefbabca19582c3b7ce28e9ab58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-01-29T15:33:10Z",
    "title_canon_sha256": "a16a8ffde5a6af62625e44eea9d4bed7f41d6a072e6e6d59bc6ab0b27c9e474d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4706",
    "kind": "arxiv",
    "version": 1
  }
}