Pith Number

pith:SQQPDDWB

pith:2024:SQQPDDWBXOIWEHFD25HGJ7XTXZ

not attested not anchored not stored refs pending

Wolf-Rayet stars -- what we know and what we don't

Olga Maryeva

arxiv:2412.05772 v1 · 2024-12-08 · 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{SQQPDDWBXOIWEHFD25HGJ7XTXZ}

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	2026-07-05T09:46:08.636178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9420f18ec1bb91621ca3d74e64fef3be4b077d1850cc53dda2b89a05df8b3e23

Aliases

arxiv: 2412.05772 · arxiv_version: 2412.05772v1 · doi: 10.48550/arxiv.2412.05772 · pith_short_12: SQQPDDWBXOIW · pith_short_16: SQQPDDWBXOIWEHFD · pith_short_8: SQQPDDWB

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/SQQPDDWBXOIWEHFD25HGJ7XTXZ \
  | 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: 9420f18ec1bb91621ca3d74e64fef3be4b077d1850cc53dda2b89a05df8b3e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a3bcba7a93613bc01d01ca8e5e99d57c7f8d30b921ef4b2ead6fc9a8cbd8135",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-12-08T01:08:10Z",
    "title_canon_sha256": "b989a10f3e1092e3db44e8012acdd89f5a274ae09c923e69b179249d54b0e1fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.05772",
    "kind": "arxiv",
    "version": 1
  }
}