Pith Number

pith:LITQLBFE

pith:1999:LITQLBFED6LMRZGJTPT5KELIQS

not attested not anchored not stored refs pending

Primordial black holes as a source of extremely high energy cosmic rays

Aurelien Barrau

arxiv:astro-ph/9907347 v1 · 1999-07-26 · astro-ph · hep-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{LITQLBFED6LMRZGJTPT5KELIQS}

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

Constraints on Primordial Black Holes

Receipt and verification

First computed	2026-05-18T04:21:32.135690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a270584a41f96c8e4c99be7d51168849d84ab8a4f5b2cd5e450d3538c37aea2

Aliases

arxiv: astro-ph/9907347 · arxiv_version: astro-ph/9907347v1 · doi: 10.48550/arxiv.astro-ph/9907347 · pith_short_12: LITQLBFED6LM · pith_short_16: LITQLBFED6LMRZGJ · pith_short_8: LITQLBFE

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/LITQLBFED6LMRZGJTPT5KELIQS \
  | 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: 5a270584a41f96c8e4c99be7d51168849d84ab8a4f5b2cd5e450d3538c37aea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8357de0dd07b746f896bb85a90b2d72c36abf7d28d1c3fdd130aca0b1df210d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-26T10:13:40Z",
    "title_canon_sha256": "cab122a6773604140d6fcf9659bf541fd500b01b901642989e79760cdf17c6d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907347",
    "kind": "arxiv",
    "version": 1
  }
}