Pith Number

pith:EM5YZKV4

pith:2004:EM5YZKV4DE56SYK3XOW26HIVFX

not attested not anchored not stored refs pending

Bar-induced perturbation strengths of the galaxies in the Ohio State University Bright Galaxy Survey (OSUBGS) I

E. Laurikainen, H. Salo, R. Buta, S. Vasylyev

arxiv:astro-ph/0409503 v1 · 2004-09-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EM5YZKV4DE56SYK3XOW26HIVFX}

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	2026-07-04T16:44:43.933593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233b8caabc193be9615bbbadaf1d152dea3d6e584beec0803eca71748140b542

Aliases

arxiv: astro-ph/0409503 · arxiv_version: astro-ph/0409503v1 · doi: 10.48550/arxiv.astro-ph/0409503 · pith_short_12: EM5YZKV4DE56 · pith_short_16: EM5YZKV4DE56SYK3 · pith_short_8: EM5YZKV4

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/EM5YZKV4DE56SYK3XOW26HIVFX \
  | 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: 233b8caabc193be9615bbbadaf1d152dea3d6e584beec0803eca71748140b542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af25ff293d5516a43cd7f2f6fb0477e951252c9c26892d0baa4e5c57c3d5a308",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-21T12:06:14Z",
    "title_canon_sha256": "1f174b5cb0a6d8bac9c66c8e482954507338b8d2f16905dc37e958714605c9bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409503",
    "kind": "arxiv",
    "version": 1
  }
}