Pith Number

pith:F7DGQDMJ

pith:2021:F7DGQDMJEMHVTKH5UC2P75KCR3

not attested not anchored not stored refs pending

Ionizing photon production of Population III stars: effects of rotation, convection, and initial mass function

Alexander Hackett, Eoin Farrell, Georges Meynet, Jose H. Groh, Laura J. Murphy, S\'ebastien Martinet, Sophie Tsiatsiou, Sylvia Ekstr\"om

arxiv:2105.06900 v3 · 2021-05-14 · 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{F7DGQDMJEMHVTKH5UC2P75KCR3}

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	2026-07-05T03:06:26.647503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fc6680d89230f59a8fda0b4fff5428ef03eddeb2017b5c173d07f06f37832ed

Aliases

arxiv: 2105.06900 · arxiv_version: 2105.06900v3 · doi: 10.48550/arxiv.2105.06900 · pith_short_12: F7DGQDMJEMHV · pith_short_16: F7DGQDMJEMHVTKH5 · pith_short_8: F7DGQDMJ

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/F7DGQDMJEMHVTKH5UC2P75KCR3 \
  | 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: 2fc6680d89230f59a8fda0b4fff5428ef03eddeb2017b5c173d07f06f37832ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88248edb3c1e366144cd40eb63c343abbf62388f010aba159628e18ba16a8c56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-14T15:38:47Z",
    "title_canon_sha256": "f3252bc8346fa09d88e4920b420c0e817304b3f3c4986bbdf04fa5b803f4bc36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06900",
    "kind": "arxiv",
    "version": 3
  }
}