Pith Number

pith:PDKT5WGK

pith:2015:PDKT5WGKF4J7RH4X37K4YUHUES

not attested not anchored not stored refs pending

Satellite accretion in action: a tidally disrupting dwarf spheroidal around the nearby spiral galaxy NGC 253

Aaron J. Romanowsky, D. Martinez-Delgado, Eva K. Grebel, Gustavo Morales, Jean P. Brodie, Johannes Schedler, Michael Sidonio, Nicolas F. Martin, R. Jay Gabany, Zachary G. Jennings

arxiv:1512.03815 v2 · 2015-12-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDKT5WGKF4J7RH4X37K4YUHUES}

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	2026-05-18T01:21:25.959167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d53ed8ca2f13f89f97dfd5cc50f424aca686608acdf0e3cab9d566dcbd348c

Aliases

arxiv: 1512.03815 · arxiv_version: 1512.03815v2 · doi: 10.48550/arxiv.1512.03815 · pith_short_12: PDKT5WGKF4J7 · pith_short_16: PDKT5WGKF4J7RH4X · pith_short_8: PDKT5WGK

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/PDKT5WGKF4J7RH4X37K4YUHUES \
  | 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: 78d53ed8ca2f13f89f97dfd5cc50f424aca686608acdf0e3cab9d566dcbd348c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f79171976bf40b6db7960328fe4d35455998d6f7685463f5b98f4f212f1fe1a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-11T21:00:01Z",
    "title_canon_sha256": "3dd9b297e36b3e6863207a7901691f0909a1004b641f4be3694590edb080ce60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03815",
    "kind": "arxiv",
    "version": 2
  }
}