Pith Number

pith:5ZGZ6N6E

pith:2002:5ZGZ6N6EVQACZJECT2AROQOB6D

not attested not anchored not stored refs pending

The conditions for coherent scattering of starlight in the forward direction, and it's consequences

Frederic Zagury

arxiv:astro-ph/0212374 v1 · 2002-12-17 · 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{5ZGZ6N6EVQACZJECT2AROQOB6D}

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	2026-05-18T01:40:39.781826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee4d9f37c4ac002ca4829e811741c1f0f034c30c710742f684b257f683341008

Aliases

arxiv: astro-ph/0212374 · arxiv_version: astro-ph/0212374v1 · doi: 10.48550/arxiv.astro-ph/0212374 · pith_short_12: 5ZGZ6N6EVQAC · pith_short_16: 5ZGZ6N6EVQACZJEC · pith_short_8: 5ZGZ6N6E

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/5ZGZ6N6EVQACZJECT2AROQOB6D \
  | 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: ee4d9f37c4ac002ca4829e811741c1f0f034c30c710742f684b257f683341008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929acb95c5325eb1bf9e1cfbfdda9f888a32ccf9b50a512269e2e59928bf4908",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-17T10:47:43Z",
    "title_canon_sha256": "5e84e90671134d08ad8ebb618fd5a0701f11cae49df7fd34c1684f5e4aeebd27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212374",
    "kind": "arxiv",
    "version": 1
  }
}