Pith Number

pith:LUJHU7U4

pith:2007:LUJHU7U4VPSQIHJSWCD66ZKAV5

not attested not anchored not stored refs pending

The bar pattern speed of NGC 4431

(2) IAC, (3) University of Washington, 4), (4) Brooks Prize Fellow, (5) University of Texas at Austin, (6) Research School of Astronomy, A. Pizzella (1), Astrophysics, Australia), E.M. Corsini (1), F.D. Barazza (5), H. Jerjen (6) ((1) Universita` di Padova, Italy, J.A.L. Aguerri (2), La Laguna, Seattle, Spain, TX, USA, Victor P. Debattista (3, WA, Weston

arxiv:astro-ph/0703332 v1 · 2007-03-13 · 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{LUJHU7U4VPSQIHJSWCD66ZKAV5}

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	2026-05-18T01:40:26.859606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d127a7e9cabe5041d32b087ef6540af7c6761ec23953bdc6995ad1c43ab74f3

Aliases

arxiv: astro-ph/0703332 · arxiv_version: astro-ph/0703332v1 · doi: 10.48550/arxiv.astro-ph/0703332 · pith_short_12: LUJHU7U4VPSQ · pith_short_16: LUJHU7U4VPSQIHJS · pith_short_8: LUJHU7U4

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/LUJHU7U4VPSQIHJSWCD66ZKAV5 \
  | 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: 5d127a7e9cabe5041d32b087ef6540af7c6761ec23953bdc6995ad1c43ab74f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bd50dda74ba7f14cb4fe7565d151eaf7babe5a06db19c616a59a94d02e18993",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-13T19:27:53Z",
    "title_canon_sha256": "4d1c2c1fe295b7b7417438f34dabb509b2ceba95d431102b2c550ca946bdc888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703332",
    "kind": "arxiv",
    "version": 1
  }
}