Pith Number

pith:7BGJ4BLG

pith:2000:7BGJ4BLG7PCYMFOYSZYD7RZQRO

not attested not anchored not stored refs pending

The superbubble model for Li, Be and B production and Galactic evolution

Etienne Parizot, Luke Drury (Dublin Institute for Advanced Studies)

arxiv:astro-ph/0002208 v1 · 2000-02-09 · 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{7BGJ4BLG7PCYMFOYSZYD7RZQRO}

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	2026-07-04T14:10:10.293660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84c9e0566fbc58615d896703fc7308b9e64d681843d880da0a3d404c0d55010

Aliases

arxiv: astro-ph/0002208 · arxiv_version: astro-ph/0002208v1 · doi: 10.48550/arxiv.astro-ph/0002208 · pith_short_12: 7BGJ4BLG7PCY · pith_short_16: 7BGJ4BLG7PCYMFOY · pith_short_8: 7BGJ4BLG

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/7BGJ4BLG7PCYMFOYSZYD7RZQRO \
  | 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: f84c9e0566fbc58615d896703fc7308b9e64d681843d880da0a3d404c0d55010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "880f022ff9c8f8ff66d039acfb2a39abebe33ef12c9d7d98cb7197a35e08bd68",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-09T17:35:03Z",
    "title_canon_sha256": "564b25528f9a8a7919fc4a4e7b959b63afe0f793181d26b3505e3e41a917ee4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002208",
    "kind": "arxiv",
    "version": 1
  }
}