Pith Number

pith:C2YVVERE

pith:2018:C2YVVERE5MNCOTC2EC3WUP354D

not attested not anchored not stored refs pending

Was the Milky Way a chain galaxy? Using the IGIMF theory to constrain the thin-disk star formation history and mass

Akram Hasani Zonoozi, Hamidreza Mahani, Pavel Kroupa

arxiv:1810.00034 v1 · 2018-09-28 · 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{C2YVVERE5MNCOTC2EC3WUP354D}

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	2026-05-17T23:55:11.641742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b15a9224eb1a274c5a20b76a3f7de0c9f565efca39ea93d479575d968976c9

Aliases

arxiv: 1810.00034 · arxiv_version: 1810.00034v1 · doi: 10.48550/arxiv.1810.00034 · pith_short_12: C2YVVERE5MNC · pith_short_16: C2YVVERE5MNCOTC2 · pith_short_8: C2YVVERE

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/C2YVVERE5MNCOTC2EC3WUP354D \
  | 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: 16b15a9224eb1a274c5a20b76a3f7de0c9f565efca39ea93d479575d968976c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409ce0ca0af4f362325385fbfbc9758a10501034921e1388b47fdf495281e8ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-28T18:31:41Z",
    "title_canon_sha256": "7a034f9996dce723b6246c90332974e3f8d9d02393892f61942d2b4e8188ee49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00034",
    "kind": "arxiv",
    "version": 1
  }
}