Pith Number

pith:67LJNNWH

pith:2013:67LJNNWHJBM4Y4K5ZSIRJCURHY

not attested not anchored not stored refs pending

Non-LTE models for synthetic spectra of type Ia supernovae. IV. A modified Feautrier scheme for opacity-sampled pseudo-continua at high expansion velocities and application to synthetic SN Ia spectra

A. W. A. Pauldrach, D. N. Sauer, P. J. N. Hultzsch, T. L. Hoffmann

arxiv:1307.3105 v1 · 2013-07-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67LJNNWHJBM4Y4K5ZSIRJCURHY}

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	2026-05-18T01:48:51.688977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7d696b6c74859cc715dcc91148a913e2f9016c84b33a4d967155055f2e1f649

Aliases

arxiv: 1307.3105 · arxiv_version: 1307.3105v1 · doi: 10.48550/arxiv.1307.3105 · pith_short_12: 67LJNNWHJBM4 · pith_short_16: 67LJNNWHJBM4Y4K5 · pith_short_8: 67LJNNWH

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/67LJNNWHJBM4Y4K5ZSIRJCURHY \
  | 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: f7d696b6c74859cc715dcc91148a913e2f9016c84b33a4d967155055f2e1f649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52779b7e70a6f482284131b49fc65bf43ac2c0ad9805922bed55057cc95cd31a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-11T13:34:28Z",
    "title_canon_sha256": "f34e943b215fb806d40364bec5ab9361e582892fd283d969ddd8766fd4760b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3105",
    "kind": "arxiv",
    "version": 1
  }
}