Pith Number

pith:ZX4EMAN3

pith:2013:ZX4EMAN37HQRO3Z46VA6XJ2ZUR

not attested not anchored not stored refs pending

Super-Massive Stars as a Source of Abundance Anomalies of Proton-Capture Elements in Globular Clusters

F. D. A. Hartwick (UVic), JINA), Pavel A. Denissenkov (UVic

arxiv:1305.5975 v2 · 2013-05-26 · 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{ZX4EMAN37HQRO3Z46VA6XJ2ZUR}

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	2026-05-18T01:49:41.439432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdf84601bbf9e1176f3cf541eba759a448dddf029b6eda8283e6fad29dc6dedc

Aliases

arxiv: 1305.5975 · arxiv_version: 1305.5975v2 · doi: 10.48550/arxiv.1305.5975 · pith_short_12: ZX4EMAN37HQR · pith_short_16: ZX4EMAN37HQRO3Z4 · pith_short_8: ZX4EMAN3

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/ZX4EMAN37HQRO3Z46VA6XJ2ZUR \
  | 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: cdf84601bbf9e1176f3cf541eba759a448dddf029b6eda8283e6fad29dc6dedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a797e53bf4916b62cefe96145426b13088076c8891cbba65bc77769a6a56e1e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-26T00:11:03Z",
    "title_canon_sha256": "b6bc1c40bc6fa52ae7fc5b2cd6b62876ad73553d6a571639dd732b34ab6270b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5975",
    "kind": "arxiv",
    "version": 2
  }
}