Pith Number

pith:Y45YZ3QW

pith:2003:Y45YZ3QWCVH5VE3S5P5WOWDRMO

not attested not anchored not stored refs pending

Shell Structure in the Fornax Dwarf Spheroidal Galaxy

David Malin, David Martinez-Delgado, G. S. Da Costa, Joss Bland-Hawthorn, Kenneth C. Freeman, Matthew Coleman

arxiv:astro-ph/0311241 v1 · 2003-11-11 · 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{Y45YZ3QWCVH5VE3S5P5WOWDRMO}

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	2026-07-04T16:37:47.827194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c73b8cee16154fda9372ebfb67587163ba41276bdd9376786fa301e53495bfd5

Aliases

arxiv: astro-ph/0311241 · arxiv_version: astro-ph/0311241v1 · doi: 10.48550/arxiv.astro-ph/0311241 · pith_short_12: Y45YZ3QWCVH5 · pith_short_16: Y45YZ3QWCVH5VE3S · pith_short_8: Y45YZ3QW

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/Y45YZ3QWCVH5VE3S5P5WOWDRMO \
  | 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: c73b8cee16154fda9372ebfb67587163ba41276bdd9376786fa301e53495bfd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe7508d2aef1d4dd8027ece786a903f7b9138d60e1f2d810a5de67552131e1b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-11T04:40:17Z",
    "title_canon_sha256": "d9eeef6657129d0697b65ee6ad31e9d60401ed4c0f2bbbf82b4c85ca24f2afe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311241",
    "kind": "arxiv",
    "version": 1
  }
}