Pith Number

pith:TV2FEIID

pith:2019:TV2FEIIDY23H47TPYQCYZ6AK25

not attested not anchored not stored refs pending

The Wolf-Rayet Content of the Galaxies of the Local Group and Beyond

Kathryn F. Neugent, Philip Massey

arxiv:1908.06238 v1 · 2019-08-17 · astro-ph.SR · 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{TV2FEIIDY23H47TPYQCYZ6AK25}

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	2026-07-04T23:58:13.719252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d74522103c6b67e7e6fc4058cf80ad774c9ce104e42a8d8601e6895d1324049

Aliases

arxiv: 1908.06238 · arxiv_version: 1908.06238v1 · doi: 10.48550/arxiv.1908.06238 · pith_short_12: TV2FEIIDY23H · pith_short_16: TV2FEIIDY23H47TP · pith_short_8: TV2FEIID

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/TV2FEIIDY23H47TPYQCYZ6AK25 \
  | 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: 9d74522103c6b67e7e6fc4058cf80ad774c9ce104e42a8d8601e6895d1324049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13015453397879391b5dd14709562d79e71d09d0cac2c412b8717583ca114cd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-17T04:40:14Z",
    "title_canon_sha256": "5cb95d8e0d124abc2c1f0998dfcd86021a6f04f2eb7e597c4405e45a215100f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06238",
    "kind": "arxiv",
    "version": 1
  }
}