Pith Number

pith:QN44MVUM

pith:2003:QN44MVUM6X4LSCMFRGZ2BE33EJ

not attested not anchored not stored refs pending

The Formation of Spheroidal Stellar Systems

Andreas Burkert (MPIA, Cambridge), Heidelberg) & Thorsten Naab (IoA

arxiv:astro-ph/0305076 v1 · 2003-05-06 · 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{QN44MVUM6X4LSCMFRGZ2BE33EJ}

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	2026-07-04T14:12:42.819119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8379c6568cf5f8b9098589b3a0937b226a429b359438d36839e392f6fb12c154

Aliases

arxiv: astro-ph/0305076 · arxiv_version: astro-ph/0305076v1 · doi: 10.48550/arxiv.astro-ph/0305076 · pith_short_12: QN44MVUM6X4L · pith_short_16: QN44MVUM6X4LSCMF · pith_short_8: QN44MVUM

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/QN44MVUM6X4LSCMFRGZ2BE33EJ \
  | 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: 8379c6568cf5f8b9098589b3a0937b226a429b359438d36839e392f6fb12c154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9746a7283cb9d4b0940f50ce7c793dd298e0d3e37c542bfec26bf289c893a6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-06T14:53:27Z",
    "title_canon_sha256": "d5d3b7a349dceea81a018de1ef3f471a4c02737172e3d5552982c66f95314b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305076",
    "kind": "arxiv",
    "version": 1
  }
}