Pith Number

pith:M7ABIGZX

pith:2019:M7ABIGZXXMFPLNST5R6XDNCZ2S

not attested not anchored not stored refs pending

Supermassive stars as the origin of the multiple populations in globular clusters

2, (2) ICREA, 3), (3) Surrey, (4) Geneva, 5) ((1) Barcelona, (5) CNRS/Toulouse), Corinne Charbonnel (4, Mark Gieles (1

arxiv:1908.02075 v1 · 2019-08-06 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7ABIGZXXMFPLNST5R6XDNCZ2S}

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	2026-07-05T00:48:42.185376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c0141b37bb0af5b653ec7d71b459d4b33d7e2ebdda3066628f20599559a6c8

Aliases

arxiv: 1908.02075 · arxiv_version: 1908.02075v1 · doi: 10.48550/arxiv.1908.02075 · pith_short_12: M7ABIGZXXMFP · pith_short_16: M7ABIGZXXMFPLNST · pith_short_8: M7ABIGZX

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/M7ABIGZXXMFPLNST5R6XDNCZ2S \
  | 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: 67c0141b37bb0af5b653ec7d71b459d4b33d7e2ebdda3066628f20599559a6c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cba89b8da510c316df6e58a18b4e7913790e2e92fa17cfcf0b266cdd3e3c7d0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-06T11:02:14Z",
    "title_canon_sha256": "c098a56b1e77365ec6b534a6e8d7b45530601d54910eab55015cf1995bc602d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02075",
    "kind": "arxiv",
    "version": 1
  }
}