Pith Number

pith:W6F3JDXK

pith:2011:W6F3JDXKUGQ6RROOCR3TOYOUQN

not attested not anchored not stored refs pending

Quality Control for Theoretical Data in the Virtual Observatory: Establishing Benchmark Tests for Synthetic Spectra

Astrophysics, Eberhard Karls University, Ellen Ringat (Institute for Astronomy, Germany), Kepler Center for Astro, Particle Physics, Thomas Rauch, Tuebingen

arxiv:1111.5527 v1 · 2011-11-23 · 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{W6F3JDXKUGQ6RROOCR3TOYOUQN}

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	2026-05-18T04:07:43.553103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78bb48eeaa1a1e8c5ce14773761d483663b15bdd214f2871a76baa5525fbd78

Aliases

arxiv: 1111.5527 · arxiv_version: 1111.5527v1 · doi: 10.48550/arxiv.1111.5527 · pith_short_12: W6F3JDXKUGQ6 · pith_short_16: W6F3JDXKUGQ6RROO · pith_short_8: W6F3JDXK

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/W6F3JDXKUGQ6RROOCR3TOYOUQN \
  | 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: b78bb48eeaa1a1e8c5ce14773761d483663b15bdd214f2871a76baa5525fbd78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1875ae41391a4c446358157cd19d7f6130999032946a463cc8d4d91408b1072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-23T15:33:38Z",
    "title_canon_sha256": "57c99d9b106ea92b2f827e1bcb3820dc168ddd167dd7cc635cb4a23692653850"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5527",
    "kind": "arxiv",
    "version": 1
  }
}