Pith Number

pith:URL6L3SK

pith:2003:URL6L3SKHAALKXE6FVBYCKIDTZ

not attested not anchored not stored refs pending

An investigation into the prominence of spiral galaxy bulges: The Data

Alister W. Graham

arxiv:astro-ph/0303635 v1 · 2003-03-28 · 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{URL6L3SKHAALKXE6FVBYCKIDTZ}

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	2026-05-18T03:57:01.294954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a457e5ee4a3800b55c9e2d438129039e6293baf41f1ec073985e00e7f32c1539

Aliases

arxiv: astro-ph/0303635 · arxiv_version: astro-ph/0303635v1 · doi: 10.48550/arxiv.astro-ph/0303635 · pith_short_12: URL6L3SKHAAL · pith_short_16: URL6L3SKHAALKXE6 · pith_short_8: URL6L3SK

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/URL6L3SKHAALKXE6FVBYCKIDTZ \
  | 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: a457e5ee4a3800b55c9e2d438129039e6293baf41f1ec073985e00e7f32c1539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d513a5b2b220198fe821098da6ce0ff8bb2106d7545617b09de26ea39e8624",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-28T20:21:50Z",
    "title_canon_sha256": "358758fa4578ad3dabe6c5f6add6ad36a0ec71fed9bc52ffc413a55439350de8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303635",
    "kind": "arxiv",
    "version": 1
  }
}