Pith Number

pith:V3W4IV4C

pith:1999:V3W4IV4C32NA6TWYC4LDVN3HGT

not attested not anchored not stored refs pending

An Astrophysical Explanation for the Great Silence

James Annis

arxiv:astro-ph/9901322 v1 · 1999-01-22 · 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{V3W4IV4C32NA6TWYC4LDVN3HGT}

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.

Cited by

1 paper in Pith

Eta-Earth Revisited II: Deriving a Maximum Number of Earth-like Habitats in the Galactic Disk

Receipt and verification

First computed	2026-07-04T14:16:31.013445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeedc45782de9a0f4ed817163ab76734ff897595a60714325853b59090a6e1ef

Aliases

arxiv: astro-ph/9901322 · arxiv_version: astro-ph/9901322v1 · doi: 10.48550/arxiv.astro-ph/9901322 · pith_short_12: V3W4IV4C32NA · pith_short_16: V3W4IV4C32NA6TWY · pith_short_8: V3W4IV4C

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/V3W4IV4C32NA6TWYC4LDVN3HGT \
  | 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: aeedc45782de9a0f4ed817163ab76734ff897595a60714325853b59090a6e1ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f5bf3e7af05a8813864917de0811953e38c0b1738fde1ca29635a6d4cfb52b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-22T20:34:04Z",
    "title_canon_sha256": "009f190c14175159476bef8d692f7a71cf8e66b2e6667afc9e2d02c17c47551f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901322",
    "kind": "arxiv",
    "version": 1
  }
}