Pith Number

pith:Y6NJR4G3

pith:2010:Y6NJR4G3SWFXKFEC6SVKSCRPW7

not attested not anchored not stored refs pending

A Library of Theoretical Ultraviolet Spectra of Massive, Hot Stars for Evolutionary Synthesis

Adalbert W. A. Pauldrach, Barbara Lo Faro, Claus Leitherer, Fabio Bresolin, Max Pettini, Paula A. Ortiz Ot\'alvaro, Rolf-Peter Kudritzki, Samantha A. Rix

arxiv:1006.5624 v1 · 2010-06-29 · astro-ph.SR · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6NJR4G3SWFXKFEC6SVKSCRPW7}

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	2026-05-18T02:06:34.426414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c79a98f0db958b751482f4aaa90a2fb7f9140e3420d12796804aa5671d723d51

Aliases

arxiv: 1006.5624 · arxiv_version: 1006.5624v1 · doi: 10.48550/arxiv.1006.5624 · pith_short_12: Y6NJR4G3SWFX · pith_short_16: Y6NJR4G3SWFXKFEC · pith_short_8: Y6NJR4G3

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/Y6NJR4G3SWFXKFEC6SVKSCRPW7 \
  | 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: c79a98f0db958b751482f4aaa90a2fb7f9140e3420d12796804aa5671d723d51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a1ab60c0e6b9f3ff9993357115a55a8e3e638048d46842d4ed2a9979a88b4b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-29T14:10:01Z",
    "title_canon_sha256": "d483bea73b267247271a1be1c0c6a325d4470d58b85194cd79b08171304a2ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5624",
    "kind": "arxiv",
    "version": 1
  }
}