Pith Number

pith:WPNM2EI2

pith:1999:WPNM2EI2JOYDIANFU7TY62RCWZ

not attested not anchored not stored refs pending

Bounds from Primordial Black Holes with a Near Critical Collapse Initial Mass Function

Adam K. Leibovich, Graham D. Kribs, I.Z. Rothstein (Carnegie Mellon U.)

arxiv:astro-ph/9904021 v2 · 1999-04-01 · 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{WPNM2EI2JOYDIANFU7TY62RCWZ}

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	2026-05-18T01:08:01.240024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3dacd111a4bb03401a5a7e78f6a22b66fb1f13d76d0228a9a6a3312be3737ac

Aliases

arxiv: astro-ph/9904021 · arxiv_version: astro-ph/9904021v2 · doi: 10.48550/arxiv.astro-ph/9904021 · pith_short_12: WPNM2EI2JOYD · pith_short_16: WPNM2EI2JOYDIANF · pith_short_8: WPNM2EI2

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/WPNM2EI2JOYDIANFU7TY62RCWZ \
  | 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: b3dacd111a4bb03401a5a7e78f6a22b66fb1f13d76d0228a9a6a3312be3737ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e1502e1dab6511169cb443c4102438ff8fe2c265aa45c2bdcfc6fe08f11f85",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-01T23:32:04Z",
    "title_canon_sha256": "5398dc3e9978d6f5b87c5fac2ce3b866328dd22eb032dba772e3a79b6c055cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904021",
    "kind": "arxiv",
    "version": 2
  }
}