Pith Number

pith:HDZF262X

pith:1998:HDZF262XN4P72ESDB2AD7BO27P

not attested not anchored not stored refs pending

Early Star Formation and the Evolution of the Stellar Initial Mass Function in Galaxies

Richard B. Larson

arxiv:astro-ph/9808145 v1 · 1998-08-13 · 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{HDZF262XN4P72ESDB2AD7BO27P}

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	2026-07-04T16:06:55.876364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f25d7b576f1ffd12430e803f85dafbe18e2cb428c10a40b8ef6fd31d9a2ffe

Aliases

arxiv: astro-ph/9808145 · arxiv_version: astro-ph/9808145v1 · doi: 10.48550/arxiv.astro-ph/9808145 · pith_short_12: HDZF262XN4P7 · pith_short_16: HDZF262XN4P72ESD · pith_short_8: HDZF262X

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/HDZF262XN4P72ESDB2AD7BO27P \
  | 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: 38f25d7b576f1ffd12430e803f85dafbe18e2cb428c10a40b8ef6fd31d9a2ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "685535fc2465c44985b5e9195811723e8b0a6905fc6d9fb397e5a46dfb9f1c70",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-08-13T20:06:58Z",
    "title_canon_sha256": "42626bf97ddd8d23b5f0b0b17fa298a09855d2f71b4093a1b174a1cb6a8c135c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9808145",
    "kind": "arxiv",
    "version": 1
  }
}