Pith Number

pith:PC4WXR32

pith:2014:PC4WXR322FNOPW7WBTXQV2LQZP

not attested not anchored not stored refs pending

Very Massive Stars in the Local Universe

Jorick S. Vink (Armagh Observatory)

arxiv:1406.4836 v1 · 2014-06-18 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PC4WXR322FNOPW7WBTXQV2LQZP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:42:53.375380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b96bc77ad15ae7dbf60cef0ae970cbd2d71e403d202d401e4aa110288ba4fa

Aliases

arxiv: 1406.4836 · arxiv_version: 1406.4836v1 · doi: 10.48550/arxiv.1406.4836 · pith_short_12: PC4WXR322FNO · pith_short_16: PC4WXR322FNOPW7W · pith_short_8: PC4WXR32

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/PC4WXR322FNOPW7WBTXQV2LQZP \
  | 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: 78b96bc77ad15ae7dbf60cef0ae970cbd2d71e403d202d401e4aa110288ba4fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d08187ce25b17e7d3cd166cb7831e626434022a8ef92e2f2504bf7965e2d6a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-18T18:51:33Z",
    "title_canon_sha256": "2de0e27a5b5b0e89d9d522d527b26908bdf688a9d67c11b4be4b67bf767c48c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4836",
    "kind": "arxiv",
    "version": 1
  }
}