Pith Number

pith:3KHDGP3Q

pith:2011:3KHDGP3QXAJMHWU7FRM4NCGABG

not attested not anchored not stored refs pending

The Wolf-Rayet population of the nearby barred spiral galaxy NGC 5068 uncovered by VLT and Gemini

J. L. Bibby, P. A. Crowther

arxiv:1111.0958 v1 · 2011-11-03 · 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{3KHDGP3QXAJMHWU7FRM4NCGABG}

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	2026-05-18T01:59:45.841996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8e333f70b812c3da9f2c59c688c009bc852a89e9b93ce3756cb34b6a05ca04

Aliases

arxiv: 1111.0958 · arxiv_version: 1111.0958v1 · doi: 10.48550/arxiv.1111.0958 · pith_short_12: 3KHDGP3QXAJM · pith_short_16: 3KHDGP3QXAJMHWU7 · pith_short_8: 3KHDGP3Q

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/3KHDGP3QXAJMHWU7FRM4NCGABG \
  | 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: da8e333f70b812c3da9f2c59c688c009bc852a89e9b93ce3756cb34b6a05ca04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26217029ca161075d9eab70f615c91823a550bd008255ff340a2358a4e2cf665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-03T19:36:52Z",
    "title_canon_sha256": "79af3ee62c6d81d7603f2e2600409597344f231212e6e3ce7e193f8d7d1a4be4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0958",
    "kind": "arxiv",
    "version": 1
  }
}