Pith Number

pith:II7XNYFR

pith:2017:II7XNYFRMR4GRICUWX7N3HONKK

not attested not anchored not stored refs pending

First confirmed ultra-compact dwarf galaxy in the NGC 5044 group

Anal\'ia V. Smith Castelli, Carlos G. Escudero, Favio R. Faifer, Juan C. Forte, Mar\'ia C. Scalia, Mar\'ia E. de Rossi, Mark Norris, Sergio A. Cellone

arxiv:1702.06472 v1 · 2017-02-21 · 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{II7XNYFRMR4GRICUWX7N3HONKK}

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	2026-05-18T00:49:09.031270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

423f76e0b1647868a054b5fedd9dcd52b83a568fd3e9cad44009a2da52019dcc

Aliases

arxiv: 1702.06472 · arxiv_version: 1702.06472v1 · doi: 10.48550/arxiv.1702.06472 · pith_short_12: II7XNYFRMR4G · pith_short_16: II7XNYFRMR4GRICU · pith_short_8: II7XNYFR

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/II7XNYFRMR4GRICUWX7N3HONKK \
  | 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: 423f76e0b1647868a054b5fedd9dcd52b83a568fd3e9cad44009a2da52019dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d43e1a20520ac0057d55a032a21635a042a95d1fd70cd29b87d4ac6dc0651fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-21T16:48:14Z",
    "title_canon_sha256": "63133c5a7eb802316ceb8399f651e647f3f9b1228dd8755d3e94980cacea5a33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06472",
    "kind": "arxiv",
    "version": 1
  }
}