Pith Number

pith:5V5FEJ7V

pith:2021:5V5FEJ7VLLGFDJZRX2XZOIMQJM

not attested not anchored not stored refs pending

A Speckle-Imaging Search for Close and Very Faint Companions to the Nearest and Brightest Wolf-Rayet Stars

Anthony F.J. Moffat, Crystal L. Gnilka, David Zurek, Elise Furlan, Michael M. Shara, Nicholas J. Scott, Steve B. Howell

arxiv:2109.06975 v1 · 2021-09-14 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5V5FEJ7VLLGFDJZRX2XZOIMQJM}

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	2026-07-05T03:18:22.030333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed7a5227f55acc51a731beaf9721904b143b49c89287a39c8200451e630229ae

Aliases

arxiv: 2109.06975 · arxiv_version: 2109.06975v1 · doi: 10.48550/arxiv.2109.06975 · pith_short_12: 5V5FEJ7VLLGF · pith_short_16: 5V5FEJ7VLLGFDJZR · pith_short_8: 5V5FEJ7V

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/5V5FEJ7VLLGFDJZRX2XZOIMQJM \
  | 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: ed7a5227f55acc51a731beaf9721904b143b49c89287a39c8200451e630229ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776e3122669a8264bdf79c810969033cfa796d8d70e9ec91313cfbe2b74d65e8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-14T21:24:34Z",
    "title_canon_sha256": "36e2da95ccf9ed71aa968b64f9b0d037b8d60156bb8d7f41b29f48e3532fdd47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06975",
    "kind": "arxiv",
    "version": 1
  }
}