Pith Number

pith:NKWHMB7N

pith:2011:NKWHMB7NDAGRIKSVN4T6GG3WRI

not attested not anchored not stored refs pending

Completing the Massive Star Population: Striking Into the Field

J. B. Lamb (U. Michigan), M. S. Oey

arxiv:1109.0759 v1 · 2011-09-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKWHMB7NDAGRIKSVN4T6GG3WRI}

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	2026-05-18T04:14:06.759532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aac7607ed180d142a556f27e31b768a34672d64ea1026d073b2671a16420484

Aliases

arxiv: 1109.0759 · arxiv_version: 1109.0759v1 · doi: 10.48550/arxiv.1109.0759 · pith_short_12: NKWHMB7NDAGR · pith_short_16: NKWHMB7NDAGRIKSV · pith_short_8: NKWHMB7N

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/NKWHMB7NDAGRIKSVN4T6GG3WRI \
  | 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: 6aac7607ed180d142a556f27e31b768a34672d64ea1026d073b2671a16420484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef9980f1ad356674d44435d74249afa4496f955d8ff45a726e33a07dd2df69c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-04T21:36:37Z",
    "title_canon_sha256": "4d6b1e3b8dcb308769bae6e35032898cd983a05053aa1f220df21b0995b60d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0759",
    "kind": "arxiv",
    "version": 1
  }
}