Pith Number

pith:T5O6SJDY

pith:2012:T5O6SJDYKWA77TJF6AJ4EENYLK

not attested not anchored not stored refs pending

Quantifying the Universality of the Stellar Initial Mass Function in Old Star Clusters

Alison Sills, Ata Sarajedini, Christian Knigge, Evert Glebbeek, Guido De Marchi, Nathan Leigh, Stefan Umbreit

arxiv:1202.2851 v2 · 2012-02-13 · astro-ph.SR · 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{T5O6SJDYKWA77TJF6AJ4EENYLK}

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	2026-05-18T03:50:10.736693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f5de924785581ffcd25f013c211b85aab8e7eb3476d8e6a212dbe44530e9fee

Aliases

arxiv: 1202.2851 · arxiv_version: 1202.2851v2 · doi: 10.48550/arxiv.1202.2851 · pith_short_12: T5O6SJDYKWA7 · pith_short_16: T5O6SJDYKWA77TJF · pith_short_8: T5O6SJDY

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/T5O6SJDYKWA77TJF6AJ4EENYLK \
  | 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: 9f5de924785581ffcd25f013c211b85aab8e7eb3476d8e6a212dbe44530e9fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c2b8f299bb5a4cb6dfddfcc63005bf7a6e80c60aad1179f70eb927ab01e5b8a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-13T21:00:01Z",
    "title_canon_sha256": "f44b030c601938ffb15a203951e5f29af127f0731c1d1dac08e2c45016fc2014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2851",
    "kind": "arxiv",
    "version": 2
  }
}