Pith Number

pith:6IXZNI5G

pith:2016:6IXZNI5GOKCIU2IQBWXZGQCJH3

not attested not anchored not stored refs pending

Implications of a variable IMF for the interpretation of observations of galaxy populations

Bart Clauwens, Joop Schaye, Marijn Franx

arxiv:1603.05281 v2 · 2016-03-16 · 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{6IXZNI5GOKCIU2IQBWXZGQCJH3}

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	2026-05-18T01:07:16.955626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f22f96a3a672848a69100daf9340493ee7aa26d7fa1c483801295d9ce6b9c1c3

Aliases

arxiv: 1603.05281 · arxiv_version: 1603.05281v2 · doi: 10.48550/arxiv.1603.05281 · pith_short_12: 6IXZNI5GOKCI · pith_short_16: 6IXZNI5GOKCIU2IQ · pith_short_8: 6IXZNI5G

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/6IXZNI5GOKCIU2IQBWXZGQCJH3 \
  | 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: f22f96a3a672848a69100daf9340493ee7aa26d7fa1c483801295d9ce6b9c1c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b1bcbdb501b1bd3846692d4b148be96f4cb9eda370c3bf61f7c3771dea5989d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-16T21:00:24Z",
    "title_canon_sha256": "bc469a4bab202867c78e78c7b3dd4edc07a22816d297ff87b05b94f5e7fac95c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05281",
    "kind": "arxiv",
    "version": 2
  }
}