Pith Number

pith:QII7V6AK

pith:2016:QII7V6AK2MDFOH4XFDJXHJGQHM

not attested not anchored not stored refs pending

Discovery of an ultra-diffuse galaxy in the Pisces-Perseus supercluster

Aaron J. Romanowsky, David Martinez-Delgado, David Valls-Gabaud, Duncan A. Forbes, Elisa Toloba, Eva K. Grebel, Igor D. Karachentsev, J. Gallego-Laborda, Jie Wang, Jurgen Fliri, Karel Teuwen, M. A. Gomez-Flechoso, Margarita Sharina, Nhung Ho, Puragra Guhathakurta, Rachael Beaton, Ronald Laesker, Serafim Kaisin, Taylor S. Chonis

arxiv:1601.06960 v1 · 2016-01-26 · 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{QII7V6AK2MDFOH4XFDJXHJGQHM}

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	2026-05-18T01:17:41.886664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8211faf80ad306571f9728d373a4d03b1230f7d0b1c8ee0bd1597635c8d6fcb5

Aliases

arxiv: 1601.06960 · arxiv_version: 1601.06960v1 · doi: 10.48550/arxiv.1601.06960 · pith_short_12: QII7V6AK2MDF · pith_short_16: QII7V6AK2MDFOH4X · pith_short_8: QII7V6AK

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/QII7V6AK2MDFOH4XFDJXHJGQHM \
  | 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: 8211faf80ad306571f9728d373a4d03b1230f7d0b1c8ee0bd1597635c8d6fcb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaf40799fa99dbb4a6773092f572e4b0eb86dd6d2abe715195684f4a80834efc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-26T10:10:28Z",
    "title_canon_sha256": "e1f27d352e0fab4848eaabb46692485bb08a7b997b45893c3bcf5bef0259057e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06960",
    "kind": "arxiv",
    "version": 1
  }
}