Pith Number

pith:2BCT5OWW

pith:2018:2BCT5OWWC5BHYJVCAMMW7BEYP6

not attested not anchored not stored refs pending

Faint Satellite Population of the NGC-3175 Group - a Local Group Analogue

2), (2) University of Nottingham, (3) University of Portsmouth), Christopher J. Conselice (2), George A. Russell (2), Rohit Kondapally (1, Samantha J. Penny (3) ((1) University of Edinburgh

arxiv:1808.09020 v1 · 2018-08-27 · 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{2BCT5OWWC5BHYJVCAMMW7BEYP6}

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	2026-05-18T00:06:36.650977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0453ebad617427c26a203196f84987f800b492fc3bb711848168d0bd5d1690a

Aliases

arxiv: 1808.09020 · arxiv_version: 1808.09020v1 · doi: 10.48550/arxiv.1808.09020 · pith_short_12: 2BCT5OWWC5BH · pith_short_16: 2BCT5OWWC5BHYJVC · pith_short_8: 2BCT5OWW

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/2BCT5OWWC5BHYJVCAMMW7BEYP6 \
  | 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: d0453ebad617427c26a203196f84987f800b492fc3bb711848168d0bd5d1690a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ebf67eabd189c64215308610eea52ba1473cd1b8659f1ced4eeefff004ec183",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-27T20:01:54Z",
    "title_canon_sha256": "aa5d7b2632ad9a125bc398a439709f692a7d7a087fec1b3f8f9153af601df5f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09020",
    "kind": "arxiv",
    "version": 1
  }
}