Pith Number

pith:6PJFMMV5

pith:2000:6PJFMMV5YKHHOKZVPS5IZFW764

not attested not anchored not stored refs pending

An investigation into the prominence of spiral galaxy bulges

Alister W. Graham

arxiv:astro-ph/0011256 v1 · 2000-11-14 · 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{6PJFMMV5YKHHOKZVPS5IZFW764}

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	2026-05-18T03:57:01.483098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d25632bdc28e772b357cba8c96dff705fba2cbbf9f16a16c618c42b06c05c7

Aliases

arxiv: astro-ph/0011256 · arxiv_version: astro-ph/0011256v1 · doi: 10.48550/arxiv.astro-ph/0011256 · pith_short_12: 6PJFMMV5YKHH · pith_short_16: 6PJFMMV5YKHHOKZV · pith_short_8: 6PJFMMV5

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/6PJFMMV5YKHHOKZVPS5IZFW764 \
  | 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: f3d25632bdc28e772b357cba8c96dff705fba2cbbf9f16a16c618c42b06c05c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2ab5c1a9685f5370f992b35f098fe7f667b2e2349437e9d1f9ef3adb23699bd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-14T16:10:21Z",
    "title_canon_sha256": "7736d597a410cbe9ebf800567b8193386b67d689fd4e5764b3941ba4523bb0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011256",
    "kind": "arxiv",
    "version": 1
  }
}