Pith Number

pith:QBZYGTIV

pith:2010:QBZYGTIVCINGUNS5WU5VQCUG7M

not attested not anchored not stored refs pending

Discovery of Twin Wolf-Rayet Stars Powering Double Ring Nebulae

D. W. Hoard, Jon Mauerhan, Pat Morris, Schuyler Van Dyk, Stefanie Wachter

arxiv:1009.0747 v2 · 2010-09-03 · 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{QBZYGTIVCINGUNS5WU5VQCUG7M}

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	2026-05-18T02:05:37.128631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8073834d15121a6a365db53b580a86fb2911e19d77c3e70887027a0fc8c96d1e

Aliases

arxiv: 1009.0747 · arxiv_version: 1009.0747v2 · doi: 10.48550/arxiv.1009.0747 · pith_short_12: QBZYGTIVCING · pith_short_16: QBZYGTIVCINGUNS5 · pith_short_8: QBZYGTIV

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/QBZYGTIVCINGUNS5WU5VQCUG7M \
  | 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: 8073834d15121a6a365db53b580a86fb2911e19d77c3e70887027a0fc8c96d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7f0f3da7568b42e5ee9522f3cebb5cb128bc873f966bc9785d4b05643c927e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-03T19:59:58Z",
    "title_canon_sha256": "edb6b86198561b9b1db8323fa40e1528ab8003fa24eabfac0612990ac5336984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0747",
    "kind": "arxiv",
    "version": 2
  }
}