Pith Number

pith:6XSZT7UV

pith:2009:6XSZT7UVLJ6ON62DR7DZSHXKGV

not attested not anchored not stored refs pending

B,V,I - photometry of 20 dwarf irregular galaxies within 10 Mpc

G. Korotkova, I. Karachentsev, L. Makarova, L. Rizzi, R. B. Tully

arxiv:0906.4074 v1 · 2009-06-22 · 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{6XSZT7UVLJ6ON62DR7DZSHXKGV}

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	2026-05-18T02:13:13.391881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e599fe955a7ce6fb438fc7991eea354e5a996e9356f0dc0e1b37f22912f435

Aliases

arxiv: 0906.4074 · arxiv_version: 0906.4074v1 · doi: 10.48550/arxiv.0906.4074 · pith_short_12: 6XSZT7UVLJ6O · pith_short_16: 6XSZT7UVLJ6ON62D · pith_short_8: 6XSZT7UV

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/6XSZT7UVLJ6ON62DR7DZSHXKGV \
  | 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: f5e599fe955a7ce6fb438fc7991eea354e5a996e9356f0dc0e1b37f22912f435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b5e3ff034b8eae8d9c61b455b42f31d5c96caa9dbd059a2a1d3484c0b6a626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-22T17:22:10Z",
    "title_canon_sha256": "f075814a049721500bc624a2f9731301712c5066661a6d07771248ff6fc06245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4074",
    "kind": "arxiv",
    "version": 1
  }
}