Pith Number

pith:WJP4QQ22

pith:2011:WJP4QQ224CKCOOTG6X4UGGOX2M

not attested not anchored not stored refs pending

Episodic mass loss in binary evolution to the Wolf-Rayet phase: Keck and HST proper motions of RY Scuti's nebula

Alexei V. Filippenko, David Le Mignant, Kawailehua Kuluhiwa, Marc Kassis, Nathan Smith, Randy Campbell, Robert D. Gehrz

arxiv:1105.2329 v1 · 2011-05-11 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJP4QQ224CKCOOTG6X4UGGOX2M}

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	2026-05-18T02:01:59.392130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25fc8435ae094273a66f5f94319d7d33838871219d0d76ecad52e5eae7ce297

Aliases

arxiv: 1105.2329 · arxiv_version: 1105.2329v1 · doi: 10.48550/arxiv.1105.2329 · pith_short_12: WJP4QQ224CKC · pith_short_16: WJP4QQ224CKCOOTG · pith_short_8: WJP4QQ22

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/WJP4QQ224CKCOOTG6X4UGGOX2M \
  | 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: b25fc8435ae094273a66f5f94319d7d33838871219d0d76ecad52e5eae7ce297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96de31236ba49b5eeb55c75de34a5239b6c6413fff720c03afd1f34ba8e86d18",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-11T22:11:11Z",
    "title_canon_sha256": "e96909f9ebe03f32d49bff7f88b01f7658bd4c715a1ab9d2b8f9653ed12a5a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2329",
    "kind": "arxiv",
    "version": 1
  }
}