Pith Number

pith:AJMROZU3

pith:2000:AJMROZU37NSHOYJPGCGWD6HVBC

not attested not anchored not stored refs pending

On the variation of the Initial Mass Function

Pavel Kroupa (Kiel)

arxiv:astro-ph/0009005 v2 · 2000-09-01 · 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{AJMROZU37NSHOYJPGCGWD6HVBC}

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	2026-05-18T04:12:02.862461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

025917669bfb6477612f308d61f8f50892096780e8d6fc7d250dfbbfd0f2ffc8

Aliases

arxiv: astro-ph/0009005 · arxiv_version: astro-ph/0009005v2 · doi: 10.48550/arxiv.astro-ph/0009005 · pith_short_12: AJMROZU37NSH · pith_short_16: AJMROZU37NSHOYJP · pith_short_8: AJMROZU3

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/AJMROZU37NSHOYJPGCGWD6HVBC \
  | 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: 025917669bfb6477612f308d61f8f50892096780e8d6fc7d250dfbbfd0f2ffc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c64290428c83c093e1b9afc003b7cf38ea0c65361e3b3b742aa7af968f5c1c0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-01T08:10:49Z",
    "title_canon_sha256": "9275bcb68a352036a52c3cae1994b1ce2ad29647681fa40836e98874c7820afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009005",
    "kind": "arxiv",
    "version": 2
  }
}