Pith Number

pith:6P47WB2K

pith:2025:6P47WB2KRJNUWR4ZP5EOC6P7UC

not attested not anchored not stored refs pending

Can supermassive stars form in protogalaxies due to internal Lyman-Werner feedback?

Eli Visbal, James Sullivan, Mihir Kulkarni, Zoltan Haiman

arxiv:2501.12986 v1 · 2025-01-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6P47WB2KRJNUWR4ZP5EOC6P7UC}

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	2026-07-05T11:59:56.910075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f9fb074a8a5b4b47997f48e179ffa0b48d4d042cafda5d1526987efde530f2

Aliases

arxiv: 2501.12986 · arxiv_version: 2501.12986v1 · doi: 10.48550/arxiv.2501.12986 · pith_short_12: 6P47WB2KRJNU · pith_short_16: 6P47WB2KRJNUWR4Z · pith_short_8: 6P47WB2K

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/6P47WB2KRJNUWR4ZP5EOC6P7UC \
  | 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: f3f9fb074a8a5b4b47997f48e179ffa0b48d4d042cafda5d1526987efde530f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f2d44127683c58e5d46ad66daf88256332959313ad7ca05a253b84519201a4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-22T16:18:45Z",
    "title_canon_sha256": "a87e875a5c931c05665f505075d87ac903790d2d4edf34decbbdf3889d8f7651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12986",
    "kind": "arxiv",
    "version": 1
  }
}