Pith Number

pith:F4LKPYMD

pith:2006:F4LKPYMDCSGXLLL22EMWCEQ5D7

not attested not anchored not stored refs pending

What aspects of galaxy environment matter?

Andreas A. Berlind, David W. Hogg, Michael R. Blanton

arxiv:astro-ph/0608353 v1 · 2006-08-16 · 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{F4LKPYMDCSGXLLL22EMWCEQ5D7}

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	2026-05-18T04:28:58.017123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f16a7e183148d75ad7ad11961121d1fcc9a56647b50d1511a24d457edb34291

Aliases

arxiv: astro-ph/0608353 · arxiv_version: astro-ph/0608353v1 · doi: 10.48550/arxiv.astro-ph/0608353 · pith_short_12: F4LKPYMDCSGX · pith_short_16: F4LKPYMDCSGXLLL2 · pith_short_8: F4LKPYMD

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/F4LKPYMDCSGXLLL22EMWCEQ5D7 \
  | 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: 2f16a7e183148d75ad7ad11961121d1fcc9a56647b50d1511a24d457edb34291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c771d6f63137024e4afea6b2d9326dc84aef9f46abef9657e0a4b94705e67633",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-16T20:13:02Z",
    "title_canon_sha256": "41268e117898acb2fe4bbd683f6fd71489c5f781e940d61d57d61b06d68caed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608353",
    "kind": "arxiv",
    "version": 1
  }
}