Pith Number

pith:GIERGZN4

pith:2013:GIERGZN44ZKQPOKKJM2O4HYQT5

not attested not anchored not stored refs pending

Massive Stars in the Galaxies of the Local Group

Philip Massey

arxiv:1305.5914 v1 · 2013-05-25 · 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{GIERGZN44ZKQPOKKJM2O4HYQT5}

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	2026-05-18T01:49:46.558551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32091365bce65507b94a4b34ee1f109f7a686b92f2e3899f404e28ca917a847a

Aliases

arxiv: 1305.5914 · arxiv_version: 1305.5914v1 · doi: 10.48550/arxiv.1305.5914 · pith_short_12: GIERGZN44ZKQ · pith_short_16: GIERGZN44ZKQPOKK · pith_short_8: GIERGZN4

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/GIERGZN44ZKQPOKKJM2O4HYQT5 \
  | 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: 32091365bce65507b94a4b34ee1f109f7a686b92f2e3899f404e28ca917a847a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19384aa7abbcc30f30589739a099827c09f5a6a1aa5271301fb84c0e87c9f38c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-25T12:26:00Z",
    "title_canon_sha256": "929ace74cf38b8ce1c9bc32f5e6cc06373cc4afd567d8d2f32664a88a84435cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5914",
    "kind": "arxiv",
    "version": 1
  }
}