Pith Number

pith:5PQ2LN6L

pith:2011:5PQ2LN6LMDQII5257CN2I7LMUJ

not attested not anchored not stored refs pending

A semi-empirical library of galaxy spectra for Gaia classification based on SDSS data and PEGASE models

A. Karampelas, A. Vallenari, B. Rocca-Volmerange, C. A. L. Bailer-Jones, E. Kontizas, E. Livanou, I. Bellas-Velidis, M. Kontizas, P. Tsalmantza

arxiv:1110.6806 v1 · 2011-10-31 · 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{5PQ2LN6LMDQII5257CN2I7LMUJ}

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	2026-05-18T01:59:49.642100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe1a5b7cb60e084775df89ba47d6ca250b0fdda47cab242361fe32a989c5dfa

Aliases

arxiv: 1110.6806 · arxiv_version: 1110.6806v1 · doi: 10.48550/arxiv.1110.6806 · pith_short_12: 5PQ2LN6LMDQI · pith_short_16: 5PQ2LN6LMDQII525 · pith_short_8: 5PQ2LN6L

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/5PQ2LN6LMDQII5257CN2I7LMUJ \
  | 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: ebe1a5b7cb60e084775df89ba47d6ca250b0fdda47cab242361fe32a989c5dfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6852ce6ae37942c998a0152111c058693bae375c5fc9857df2a8b8d25a9c78e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-31T14:32:35Z",
    "title_canon_sha256": "429accda5d68c50593c67748f5397f553065a0b289be522f3844db308c374dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6806",
    "kind": "arxiv",
    "version": 1
  }
}