Pith Number

pith:GWP6AMLY

pith:2015:GWP6AMLY4EYZUUIBMIDPBO3MUR

not attested not anchored not stored refs pending

DGSAT: Dwarf Galaxy Survey with Amateur Telescopes I. Discovery of low surface brightness systems around nearby spiral galaxies

B. Javanmardi, C. Henkel, D. Martinez-Delgado, F. Neyer, K. Crawford, K. Teuwen, M. Hanson, P. Kroupa, R. J. Gabany, T. S. Chonis

arxiv:1511.04446 v2 · 2015-11-13 · astro-ph.GA · 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{GWP6AMLY4EYZUUIBMIDPBO3MUR}

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	2026-05-18T01:18:30.774807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359fe03178e1319a51016206f0bb6ca45a5dd683e401e20ad61f334ba021ca67

Aliases

arxiv: 1511.04446 · arxiv_version: 1511.04446v2 · doi: 10.48550/arxiv.1511.04446 · pith_short_12: GWP6AMLY4EYZ · pith_short_16: GWP6AMLY4EYZUUIB · pith_short_8: GWP6AMLY

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/GWP6AMLY4EYZUUIBMIDPBO3MUR \
  | 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: 359fe03178e1319a51016206f0bb6ca45a5dd683e401e20ad61f334ba021ca67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea21e53812f50124c71d90b2120929bfccede5a40d4935001a2bfcb5b9cac90",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-13T21:00:03Z",
    "title_canon_sha256": "20c1631bb2262e6ca1276111317cdc56957507b43cf66cda9cba307a32451311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04446",
    "kind": "arxiv",
    "version": 2
  }
}