Pith Number

pith:HDRUP27V

pith:2021:HDRUP27VK6V2HZFXMMSK7PWDCW

not attested not anchored not stored refs pending

The Fornax Deep Survey (FDS) with VST XII: Low surface brightness dwarf galaxies in the Fornax cluster

Aku Venhola, Caroline Haigh, Eija Laurikainen, Enrichetta Iodice, Heikki Salo, Joachim Janz, Marilena Spavone, Michael H. F. Wilkinson, Michael Hilker, Michele Cantiello, Reynier F. Peletier, Steffen Mieske

arxiv:2111.01855 v1 · 2021-11-02 · 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{HDRUP27VK6V2HZFXMMSK7PWDCW}

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	2026-07-05T03:28:43.291928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38e347ebf557aba3e4b76324afbec3158d2469d6dc51fd945821bb85d49440c7

Aliases

arxiv: 2111.01855 · arxiv_version: 2111.01855v1 · doi: 10.48550/arxiv.2111.01855 · pith_short_12: HDRUP27VK6V2 · pith_short_16: HDRUP27VK6V2HZFX · pith_short_8: HDRUP27V

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/HDRUP27VK6V2HZFXMMSK7PWDCW \
  | 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: 38e347ebf557aba3e4b76324afbec3158d2469d6dc51fd945821bb85d49440c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a24ada167e87d830a2b016271e5bac9a115ed0a56f6d5f512913daffe0d0eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-02T19:26:19Z",
    "title_canon_sha256": "790099f01213f737b8788186a6588c21f533b63ed85b92daf1c87780685a3223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01855",
    "kind": "arxiv",
    "version": 1
  }
}