Pith Number

pith:HKXMI3BS

pith:2012:HKXMI3BSIVOHDGZOITWIKGPUWS

not attested not anchored not stored refs pending

Very Massive Stars and the Eddington Limit

Malaya), Nolan R. Walborn (STScI), N. Yusof (Keele, Paul A. Crowther (Sheffield), R. Hirschi (Keele)

arxiv:1209.6157 v1 · 2012-09-27 · 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{HKXMI3BSIVOHDGZOITWIKGPUWS}

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	2026-05-18T03:44:35.188229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aaec46c32455c719b2e44ec8519f4b4907292160f1bd50a05401abc0fc3319b

Aliases

arxiv: 1209.6157 · arxiv_version: 1209.6157v1 · doi: 10.48550/arxiv.1209.6157 · pith_short_12: HKXMI3BSIVOH · pith_short_16: HKXMI3BSIVOHDGZO · pith_short_8: HKXMI3BS

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/HKXMI3BSIVOHDGZOITWIKGPUWS \
  | 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: 3aaec46c32455c719b2e44ec8519f4b4907292160f1bd50a05401abc0fc3319b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c22a21ef2dc116a4aa37ad20ace24d320df928843249b5a96a8b7ee6bdcaf933",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-27T08:22:36Z",
    "title_canon_sha256": "3e791ff60c7f711ff6a33c484d0107f338840c0464a491a8c8b680de6feca23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6157",
    "kind": "arxiv",
    "version": 1
  }
}