Pith Number

pith:I7F4N63Y

pith:2019:I7F4N63YBMQW6DEL2XCETCEHO2

not attested not anchored not stored refs pending

The dwarf galaxy satellite system of Centaurus A

Federico Lelli, Helmut Jerjen, Marcel S. Pawlowski, Marina Rejkuba, Michael Hilker, Oliver M\"uller, Rodrigo Ibata

arxiv:1907.02012 v2 · 2019-07-03 · 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{I7F4N63YBMQW6DEL2XCETCEHO2}

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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.

Cited by

1 paper in Pith

Tip of the red giant branch distance to the nearby dwarf galaxy [TT2009] 25 in the NGC 891 group

Receipt and verification

First computed	2026-07-05T00:00:09.008722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47cbc6fb780b216f0c8bd5c449888776be7821bd341dcfcbe9bddd0acccc9f15

Aliases

arxiv: 1907.02012 · arxiv_version: 1907.02012v2 · doi: 10.48550/arxiv.1907.02012 · pith_short_12: I7F4N63YBMQW · pith_short_16: I7F4N63YBMQW6DEL · pith_short_8: I7F4N63Y

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/I7F4N63YBMQW6DEL2XCETCEHO2 \
  | 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: 47cbc6fb780b216f0c8bd5c449888776be7821bd341dcfcbe9bddd0acccc9f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f70be72ec1de499081105d7619c9034b298d08354e596693f9a86eeaf8325b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-03T16:13:14Z",
    "title_canon_sha256": "7034cf4fd903d6730d497cab1b4d99f03de65ed33040d5dd403adf9659ad141d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02012",
    "kind": "arxiv",
    "version": 2
  }
}