Pith Number

pith:HJNR2ZW4

pith:2016:HJNR2ZW4QRUXWEJGABBAJELQJO

not attested not anchored not stored refs pending

Analysis of the WN star WR 102c, its WR nebula, and the associated cluster of massive stars in the Sickle Nebula

A. Liermann, A. Sander, H. Todt, L. M. Oskinova, M. Steinke, W.-R. Hamann

arxiv:1601.03395 v2 · 2016-01-13 · 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{HJNR2ZW4QRUXWEJGABBAJELQJO}

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	2026-05-18T01:19:24.998412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a5b1d66dc84697b112600420491704b9b45530cdd6614a8b65bfedafe272400

Aliases

arxiv: 1601.03395 · arxiv_version: 1601.03395v2 · doi: 10.48550/arxiv.1601.03395 · pith_short_12: HJNR2ZW4QRUX · pith_short_16: HJNR2ZW4QRUXWEJG · pith_short_8: HJNR2ZW4

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/HJNR2ZW4QRUXWEJGABBAJELQJO \
  | 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: 3a5b1d66dc84697b112600420491704b9b45530cdd6614a8b65bfedafe272400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5290b68b405af33cd501ce4296ef957877267fb439095d79b3215d5b595e6443",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-13T21:00:00Z",
    "title_canon_sha256": "d033ddfa80b3a33e8679c077a69176f6ef3a383b70f515465067ccbea0108ff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03395",
    "kind": "arxiv",
    "version": 2
  }
}