Pith Number

pith:XJM6LQSA

pith:2002:XJM6LQSAYUJFGLGBLLMJXUUMDT

not attested not anchored not stored refs pending

Tidal dwarfs in the M81 group: the second generation?

A. E. Dolphin, A. Sarajedini, D. Geisler, E. K. Grebel, I. D. Karachentsev, L. N. Makarova, M. E. Sharina, P. Guhathakurta, P. Seitzer, P.W. Hodge, V. E. Karachentseva

arxiv:astro-ph/0210235 v1 · 2002-10-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJM6LQSAYUJFGLGBLLMJXUUMDT}

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	2026-07-04T16:30:57.152939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba59e5c240c512532cc15ad89bd28c1ceaadb1c48a2c75ec19b679b003306377

Aliases

arxiv: astro-ph/0210235 · arxiv_version: astro-ph/0210235v1 · doi: 10.48550/arxiv.astro-ph/0210235 · pith_short_12: XJM6LQSAYUJF · pith_short_16: XJM6LQSAYUJFGLGB · pith_short_8: XJM6LQSA

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/XJM6LQSAYUJFGLGBLLMJXUUMDT \
  | 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: ba59e5c240c512532cc15ad89bd28c1ceaadb1c48a2c75ec19b679b003306377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4921b4c572d798c2b8b57eba8aff3149a7cb641a4ba26c2f81d773e2458f329a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-10T14:01:21Z",
    "title_canon_sha256": "d52bcb9034a4380657388a014856e37d9adce43b2fa76cb0684feb397a1c8540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210235",
    "kind": "arxiv",
    "version": 1
  }
}