Pith Number

pith:GWFITFBB

pith:2019:GWFITFBB2BK6U6WIV2GWHX67X6

not attested not anchored not stored refs pending

Morphological Star-Galaxy Separation

Colin T. Slater, Robert H. Lupton, \v{Z}eljko Ivezi\'c

arxiv:1912.08210 v1 · 2019-12-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWFITFBB2BK6U6WIV2GWHX67X6}

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	2026-07-05T00:36:45.210306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

358a899421d055ea7ac8ae8d63dfdfbfa648b344add21c77c85c118285d15b68

Aliases

arxiv: 1912.08210 · arxiv_version: 1912.08210v1 · doi: 10.48550/arxiv.1912.08210 · pith_short_12: GWFITFBB2BK6 · pith_short_16: GWFITFBB2BK6U6WI · pith_short_8: GWFITFBB

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/GWFITFBB2BK6U6WIV2GWHX67X6 \
  | 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: 358a899421d055ea7ac8ae8d63dfdfbfa648b344add21c77c85c118285d15b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c96820de176945a9a080c082b4bad04e4c8ce7a8c0535fdc45b409f2348adaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-12-17T19:00:02Z",
    "title_canon_sha256": "288db3947aafebc7c0027bade02812be6d44816c4061fd21d7e978f8ba3af1dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08210",
    "kind": "arxiv",
    "version": 1
  }
}