Pith Number

pith:C23QACLB

pith:2001:C23QACLB2LNZDZPKOI57OZD5VK

not attested not anchored not stored refs pending

Morphology and Galactic Distribution of PNs: a New Scenario

G. Garc\'ia-Segura, J. A. L\'opez, J. Franco, M. R\'o\.zyczka, N. Langer

arxiv:astro-ph/0102044 v5 · 2001-02-02 · 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{C23QACLB2LNZDZPKOI57OZD5VK}

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	2026-05-18T01:09:10.932551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b7000961d2db91e5ea723bf7647daa8f654b9134bbaffdb6f072fafc9c8643

Aliases

arxiv: astro-ph/0102044 · arxiv_version: astro-ph/0102044v5 · doi: 10.48550/arxiv.astro-ph/0102044 · pith_short_12: C23QACLB2LNZ · pith_short_16: C23QACLB2LNZDZPK · pith_short_8: C23QACLB

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/C23QACLB2LNZDZPKOI57OZD5VK \
  | 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: 16b7000961d2db91e5ea723bf7647daa8f654b9134bbaffdb6f072fafc9c8643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7a9a63fae17abe8411bbdadba8296a295709866dcb67435edf87faf38cf937",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-02-02T17:42:16Z",
    "title_canon_sha256": "0216bb06dec2b3ec2cc23d5a0f68ed519e7ca41b2133c6e1d34b51fed9e74cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0102044",
    "kind": "arxiv",
    "version": 5
  }
}