pith. sign in
Pith Number

pith:A3EWIDAL

pith:1996:A3EWIDALSGIMZZQ6ZE4MS4TKD6
not attested not anchored not stored refs pending

Primordial Black Holes: Tunnelling vs. No Boundary Proposal

Cambridge), Raphael Bousso, Stephen W. Hawking (DAMTP

arxiv:gr-qc/9608009 v1 · 1996-08-02 · gr-qc · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A3EWIDALSGIMZZQ6ZE4MS4TKD6}

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 2026-05-18T04:24:25.957742Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

06c9640c0b9190cce61ec938c9726a1fb9211ac487d6a6f02f598f3f5c2953f7

Aliases

arxiv: gr-qc/9608009 · arxiv_version: gr-qc/9608009v1 · doi: 10.48550/arxiv.gr-qc/9608009 · pith_short_12: A3EWIDALSGIM · pith_short_16: A3EWIDALSGIMZZQ6 · pith_short_8: A3EWIDAL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A3EWIDALSGIMZZQ6ZE4MS4TKD6 \
  | 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: 06c9640c0b9190cce61ec938c9726a1fb9211ac487d6a6f02f598f3f5c2953f7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "10b2342f970aa8173be0bd9f4fdeb7a5a1e8f2fed4eb5b6202d559a4338af1fe",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-08-02T19:06:26Z",
    "title_canon_sha256": "bbacfd927bc9ac83a5c9a2f3dda2aa9cf1be6e9abdce057eada8c74b363522e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9608009",
    "kind": "arxiv",
    "version": 1
  }
}