Pith Number

pith:UZW7JQJT

pith:1999:UZW7JQJTAW4Q3NFW6RG4TM3JMB

not attested not anchored not stored refs pending

The Stellar Initial Mass Function

Richard B. Larson

arxiv:astro-ph/9908189 v1 · 1999-08-17 · 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{UZW7JQJTAW4Q3NFW6RG4TM3JMB}

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	2026-07-04T14:17:02.983709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a66df4c13305b90db4b6f44dc9b3696055867a296a6f5ae8ac9ea96d1cd3f5ba

Aliases

arxiv: astro-ph/9908189 · arxiv_version: astro-ph/9908189v1 · doi: 10.48550/arxiv.astro-ph/9908189 · pith_short_12: UZW7JQJTAW4Q · pith_short_16: UZW7JQJTAW4Q3NFW · pith_short_8: UZW7JQJT

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/UZW7JQJTAW4Q3NFW6RG4TM3JMB \
  | 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: a66df4c13305b90db4b6f44dc9b3696055867a296a6f5ae8ac9ea96d1cd3f5ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2848679f6a36097140f131bf373f3452d0191a3fec0217ca39ac9ae7e611fd15",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-17T19:28:42Z",
    "title_canon_sha256": "b9e8d8567bcf4b98f083ca484d01c99c87e812214e4aaeb00b7e2126e44e0472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908189",
    "kind": "arxiv",
    "version": 1
  }
}