Pith Number

pith:42RHWUGU

pith:2021:42RHWUGUMWBUFFXZK7DN2AXVRM

not attested not anchored not stored refs pending

Convective core sizes in rotating massive stars: I. Constraints from solar metallicity OB field stars

C. Georgy, E. Farrell, G.Buldgen, G.Holgado, G. Meynet, J. Groh, L. Murphy, N. Castro, P. Eggenberger, R. Hirschi, S. Ekstr\"om, S. Martinet, S. Salmon, S. Sim\'on-D\'iaz

arxiv:2103.03672 v1 · 2021-03-05 · 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{42RHWUGUMWBUFFXZK7DN2AXVRM}

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	2026-07-05T02:35:39.906787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a27b50d465834296f957c6dd02f58b0d20a21ccc76c283d5a0517022dc6694

Aliases

arxiv: 2103.03672 · arxiv_version: 2103.03672v1 · doi: 10.48550/arxiv.2103.03672 · pith_short_12: 42RHWUGUMWBU · pith_short_16: 42RHWUGUMWBUFFXZ · pith_short_8: 42RHWUGU

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/42RHWUGUMWBUFFXZK7DN2AXVRM \
  | 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: e6a27b50d465834296f957c6dd02f58b0d20a21ccc76c283d5a0517022dc6694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14549360dc987da004f9a69c55b0f3dec053468dab9d9ce47aaf7a71ab7fea4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-05T13:52:45Z",
    "title_canon_sha256": "b93c8e0fe2548dd66cb74d21e8fef9191c390c63439d03a33e7e3400e72ae45c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03672",
    "kind": "arxiv",
    "version": 1
  }
}