Pith Number

pith:GAWIZXGU

pith:2025:GAWIZXGURX7IQZW4WILXYZCDVU

not attested not anchored not stored refs pending

DDO68-C: HST confirms yet another companion of the isolated dwarf galaxy DDO 68

Alessandra Aloisi, Elena Sacchi, Francesca Annibali, John M. Cannon, Leslie K. Hunt, Lila Schisgal, Mariarosa Marinelli, Matteo Correnti, Michele Bellazzini, Michele Cignoni, Monica Tosi, Raffaele Pascale, Sangmo T. Sohn

arxiv:2502.18171 v1 · 2025-02-25 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAWIZXGURX7IQZW4WILXYZCDVU}

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	2026-07-05T10:19:50.003242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

302c8cdcd48dfe8866dcb2177c6443ad2bb40fedb0aa7c71a89279815d118fdb

Aliases

arxiv: 2502.18171 · arxiv_version: 2502.18171v1 · doi: 10.48550/arxiv.2502.18171 · pith_short_12: GAWIZXGURX7I · pith_short_16: GAWIZXGURX7IQZW4 · pith_short_8: GAWIZXGU

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/GAWIZXGURX7IQZW4WILXYZCDVU \
  | 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: 302c8cdcd48dfe8866dcb2177c6443ad2bb40fedb0aa7c71a89279815d118fdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d56eef5f4597f7b9cf7ce4a842d38ba79f5d2f709936d2b6cdf28838ea54c907",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-25T13:05:19Z",
    "title_canon_sha256": "3fa52bc70fa3e6cb5b48a6de337191d119b22983ee289e2a1407e8269a88ddb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18171",
    "kind": "arxiv",
    "version": 1
  }
}