Pith Number

pith:7LSO3LYW

pith:2005:7LSO3LYWMGYTTDP7C4UENGPPJR

not attested not anchored not stored refs pending

Andromeda IX: Properties of the Smallest M 31 Dwarf Satellite Galaxy

2), (2) UW Madison, (3) University of Basel, (4) Max-Planck Institute for Astronomy, A. Koch (3), D. Harbeck (1, D. Zucker (4) ((1) UC Berkeley, E. K. Grebel (3), Heidelberg), J. Gallagher (2), Space Sciences Laboratory

arxiv:astro-ph/0501439 v1 · 2005-01-20 · 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{7LSO3LYWMGYTTDP7C4UENGPPJR}

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	2026-05-18T04:14:55.411044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae4edaf1661b1398dff17284699ef4c5b52eb07c699dfca75c747365e71b0f6

Aliases

arxiv: astro-ph/0501439 · arxiv_version: astro-ph/0501439v1 · doi: 10.48550/arxiv.astro-ph/0501439 · pith_short_12: 7LSO3LYWMGYT · pith_short_16: 7LSO3LYWMGYTTDP7 · pith_short_8: 7LSO3LYW

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/7LSO3LYWMGYTTDP7C4UENGPPJR \
  | 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: fae4edaf1661b1398dff17284699ef4c5b52eb07c699dfca75c747365e71b0f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac0ee78ee5f73a855b617f00d069ef61d819b103c57f9a818b820d716cad364f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-20T18:23:36Z",
    "title_canon_sha256": "4dbaaa1b1e3dd3c9871657c10dcbd5c4b751b476c749c4967f18054537553ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501439",
    "kind": "arxiv",
    "version": 1
  }
}