Pith Number

pith:HBKLSKC4

pith:1999:HBKLSKC4ECYBOKDROGS2A5SLOJ

not attested not anchored not stored refs pending

Theoretical Black Hole Mass Distributions

Chris L. Fryer, Vassiliki Kalogera

arxiv:astro-ph/9911312 v1 · 1999-11-16 · 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{HBKLSKC4ECYBOKDROGS2A5SLOJ}

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

Stellar-Mass Black Holes

Receipt and verification

First computed	2026-07-04T16:11:54.716966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3854b9285c20b017287171a5a0764b72445e31887592fbfc3ab061b6cf86bbaa

Aliases

arxiv: astro-ph/9911312 · arxiv_version: astro-ph/9911312v1 · doi: 10.48550/arxiv.astro-ph/9911312 · pith_short_12: HBKLSKC4ECYB · pith_short_16: HBKLSKC4ECYBOKDR · pith_short_8: HBKLSKC4

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/HBKLSKC4ECYBOKDROGS2A5SLOJ \
  | 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: 3854b9285c20b017287171a5a0764b72445e31887592fbfc3ab061b6cf86bbaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b13169d7a414704eeb809b52380894c4b7afbc2e6188fbadf6c590ed4d4ee1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-16T19:32:18Z",
    "title_canon_sha256": "689084e6ad8ffd98e6049a00505ad80349ed81a497efbca3dfc1b57478cc64b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911312",
    "kind": "arxiv",
    "version": 1
  }
}