Pith Number

pith:KYQBYWAQ

pith:2010:KYQBYWAQ7AG5S4BQHJLQHJW34V

not attested not anchored not stored refs pending

Ring Star Formation Rates in Barred and Nonbarred Galaxies

AL (2) University of Oulu, E. Laurikainen (2) ((1) University of Alabama, Finland), H. Salo (2), Oulu, R. D. Grouchy (1), R. J. Buta (1), Tuscaloosa

arxiv:1004.5063 v1 · 2010-04-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYQBYWAQ7AG5S4BQHJLQHJW34V}

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	2026-05-18T02:07:45.509647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56201c5810f80dd970303a5703a6dbe540e63bcd747d7347d2a4e7b28bce74ba

Aliases

arxiv: 1004.5063 · arxiv_version: 1004.5063v1 · doi: 10.48550/arxiv.1004.5063 · pith_short_12: KYQBYWAQ7AG5 · pith_short_16: KYQBYWAQ7AG5S4BQ · pith_short_8: KYQBYWAQ

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/KYQBYWAQ7AG5S4BQHJLQHJW34V \
  | 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: 56201c5810f80dd970303a5703a6dbe540e63bcd747d7347d2a4e7b28bce74ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63fe4ff93e055af07510794a07976c8a4c314646252f4d2a2b21cf5606b5831",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-28T15:39:08Z",
    "title_canon_sha256": "a1d26ae0f39a86f8302aa054a9f25e7b0a5f88bf87962e8d55890202e3634d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5063",
    "kind": "arxiv",
    "version": 1
  }
}