Pith Number

pith:HPPKCVEA

pith:2000:HPPKCVEAENU3A2WQUESFZYBLLJ

not attested not anchored not stored refs pending

The Local Stellar Initial Mass Function

Pavel Kroupa (Kiel)

arxiv:astro-ph/0011328 v1 · 2000-11-17 · 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{HPPKCVEAENU3A2WQUESFZYBLLJ}

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

Time-slicing spiral galaxies with SDSS-IV MaNGA

Receipt and verification

First computed	2026-07-04T14:10:52.667466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bdea154802369b06ad0a1245ce02b5a73acf5dc30c417071fc8f9a6f7af5aea

Aliases

arxiv: astro-ph/0011328 · arxiv_version: astro-ph/0011328v1 · doi: 10.48550/arxiv.astro-ph/0011328 · pith_short_12: HPPKCVEAENU3 · pith_short_16: HPPKCVEAENU3A2WQ · pith_short_8: HPPKCVEA

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/HPPKCVEAENU3A2WQUESFZYBLLJ \
  | 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: 3bdea154802369b06ad0a1245ce02b5a73acf5dc30c417071fc8f9a6f7af5aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1028fa3de4ae7d7368306a357331440bd0ffd310400d06b15c1632f56e9b7644",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-17T00:10:18Z",
    "title_canon_sha256": "739c5f7d9143b477e0821e519516102621701f9ba7b748a57b9eefc927b8df38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011328",
    "kind": "arxiv",
    "version": 1
  }
}