Pith Number

pith:RLWD4GWH

pith:2006:RLWD4GWHONQJ4KSXM23UPXDTXM

not attested not anchored not stored refs pending

Mathematical Morphology: Star/Galaxy Differentiation & Galaxy Morphology Classification

Jason A. Moore, Kevin A. Pimbblet, Michael J. Drinkwater

arxiv:astro-ph/0611042 v1 · 2006-11-02 · 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{RLWD4GWHONQJ4KSXM23UPXDTXM}

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	2026-05-18T04:36:20.782586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aec3e1ac773609e2a5766b747dc73bb0261e3bae8af524bb2a3e0d8562d1857

Aliases

arxiv: astro-ph/0611042 · arxiv_version: astro-ph/0611042v1 · doi: 10.48550/arxiv.astro-ph/0611042 · pith_short_12: RLWD4GWHONQJ · pith_short_16: RLWD4GWHONQJ4KSX · pith_short_8: RLWD4GWH

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/RLWD4GWHONQJ4KSXM23UPXDTXM \
  | 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: 8aec3e1ac773609e2a5766b747dc73bb0261e3bae8af524bb2a3e0d8562d1857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5dc9a39d759fc0517ee4143f8a9db5a5b6a7cc2056fb0c1e2bbf8c7a6c99326",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-02T06:51:36Z",
    "title_canon_sha256": "aff2b8b4e1746b82410b69bf1f1a93944e6229de4f173a5c4d8c3ea568c2c0a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611042",
    "kind": "arxiv",
    "version": 1
  }
}