Pith Number

pith:I2ZQNA5X

pith:2021:I2ZQNA5X5BUPIO3VTHBNBEEPKK

not attested not anchored not stored refs pending

The initial mass function of stars and the star-formation rates of galaxies

Pavel Kroupa (Bonn, Prague), Tereza Jerabkova (ESTEC)

arxiv:2112.10788 v1 · 2021-12-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2ZQNA5X5BUPIO3VTHBNBEEPKK}

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

2 papers in Pith

The pair-instability origin of supernova 2023vbw

Gauging the Impact of Cosmic Ray Feedback on the Stellar Initial Mass Function

Receipt and verification

First computed	2026-07-05T03:42:26.090997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46b30683b7e868f43b7599c2d0908f52b84e4bd027a5b300113f4b22aca993a8

Aliases

arxiv: 2112.10788 · arxiv_version: 2112.10788v1 · doi: 10.48550/arxiv.2112.10788 · pith_short_12: I2ZQNA5X5BUP · pith_short_16: I2ZQNA5X5BUPIO3V · pith_short_8: I2ZQNA5X

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/I2ZQNA5X5BUPIO3VTHBNBEEPKK \
  | 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: 46b30683b7e868f43b7599c2d0908f52b84e4bd027a5b300113f4b22aca993a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af33b13ae56fa4a14182e1d078e321dc36ea3a953c6b5ab50c9fe58987645733",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-20T19:00:01Z",
    "title_canon_sha256": "af1d8e7c3b41b06bdb0347cd8caf1dba1e0d5bbb18e531549152a4f673dd5568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10788",
    "kind": "arxiv",
    "version": 1
  }
}