Pith Number

pith:GCDYKUHL

pith:2009:GCDYKUHLLLKIK6ECPHYQBRKJ64

not attested not anchored not stored refs pending

Optical absorption spectra of finite systems from a conserving Bethe-Salpeter equation approach

George Pal, Hans Christian Schneider, Wolfgang H\"ubner, Yaroslav Pavlyukh

arxiv:0910.3406 v2 · 2009-10-18 · cond-mat.mtrl-sci · physics.chem-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCDYKUHLLLKIK6ECPHYQBRKJ64}

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	2026-05-18T04:32:55.979153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30878550eb5ad485788279f100c549f7165de8aca5ca8af093fa1c51c6aae510

Aliases

arxiv: 0910.3406 · arxiv_version: 0910.3406v2 · doi: 10.48550/arxiv.0910.3406 · pith_short_12: GCDYKUHLLLKI · pith_short_16: GCDYKUHLLLKIK6EC · pith_short_8: GCDYKUHL

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/GCDYKUHLLLKIK6ECPHYQBRKJ64 \
  | 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: 30878550eb5ad485788279f100c549f7165de8aca5ca8af093fa1c51c6aae510

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1373f9a97b589990be5849dd2ccb8ad56a2c54f6a4182f17a810e8241cf8476c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-10-18T19:17:30Z",
    "title_canon_sha256": "af2cc29373f5a55376561343a6ea6dcf2d1b0f72679222cec650567614ecc6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3406",
    "kind": "arxiv",
    "version": 2
  }
}