Pith Number

pith:C73RF6W2

pith:2020:C73RF6W2QHD5AV73VHZMMGT4KS

not attested not anchored not stored refs pending

The Lifetimes of Star Clusters Born with a Top-heavy IMF

Akram Hasani Zonoozi, Ghasem Safaei, Hosein Haghi, Pavel Kroupa

arxiv:2012.07095 v1 · 2020-12-13 · astro-ph.GA · physics.comp-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{C73RF6W2QHD5AV73VHZMMGT4KS}

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	2026-07-05T01:59:17.185789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17f712fada81c7d057fba9f2c61a7c548be8cb8d69b8a2efc161069464684f26

Aliases

arxiv: 2012.07095 · arxiv_version: 2012.07095v1 · doi: 10.48550/arxiv.2012.07095 · pith_short_12: C73RF6W2QHD5 · pith_short_16: C73RF6W2QHD5AV73 · pith_short_8: C73RF6W2

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/C73RF6W2QHD5AV73VHZMMGT4KS \
  | 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: 17f712fada81c7d057fba9f2c61a7c548be8cb8d69b8a2efc161069464684f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec2cb1dd13af9ddc7b2599ca13b5d544af0fcb91af95c8dfde0562c1dfc9b90",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-13T16:34:18Z",
    "title_canon_sha256": "1870e752cfe4ea1da4baa04c642a38a87054eb8a3c767118416e92466035cab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07095",
    "kind": "arxiv",
    "version": 1
  }
}