Pith Number

pith:U3WRTKTF

pith:1996:U3WRTKTF3HX5CDCFKSSRACZPI3

not attested not anchored not stored refs pending

Reionization of the Universe induced by Primordial Black Holes

Italy), London, Marina Gibilisco (Queen Mary, Universit\'a degli Studi di Milano, Universit\'a degli Studi di Pavia, Westfield College

arxiv:astro-ph/9611227 v1 · 1996-11-27 · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3WRTKTF3HX5CDCFKSSRACZPI3}

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	2026-05-18T04:24:26.472371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ed19aa65d9efd10c4554a5100b2f46cfc0a8783577a2cfb2e7cf89798a78db

Aliases

arxiv: astro-ph/9611227 · arxiv_version: astro-ph/9611227v1 · doi: 10.48550/arxiv.astro-ph/9611227 · pith_short_12: U3WRTKTF3HX5 · pith_short_16: U3WRTKTF3HX5CDCF · pith_short_8: U3WRTKTF

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/U3WRTKTF3HX5CDCFKSSRACZPI3 \
  | 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: a6ed19aa65d9efd10c4554a5100b2f46cfc0a8783577a2cfb2e7cf89798a78db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3600583fa7ae5aece6cafa73a67fd02e71b1045a583ff6c3a7019254cb64eac",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-27T09:33:50Z",
    "title_canon_sha256": "9c263d0f38b6912e5dedfd871e8a37c5fe7efdeeadf6e119b956ad67b5c971eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611227",
    "kind": "arxiv",
    "version": 1
  }
}