Pith Number

pith:BG7RG4TM

pith:2016:BG7RG4TMAAKU6UGM65JUXU5F7I

not attested not anchored not stored refs pending

Pinwheels in the sky, with dust: 3D modeling of the Wolf-Rayet 98a environment

Allard Jan van Marle, Maarten Baes, Peter Camps, Rony Keppens, Tom Hendrix, Zakaria Meliani

arxiv:1605.09239 v1 · 2016-05-30 · 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{BG7RG4TMAAKU6UGM65JUXU5F7I}

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	2026-05-18T01:12:45.090848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09bf13726c00154f50ccf7534bd3a5fa2a5767dc9d224b81e5893942a8cdba1e

Aliases

arxiv: 1605.09239 · arxiv_version: 1605.09239v1 · doi: 10.48550/arxiv.1605.09239 · pith_short_12: BG7RG4TMAAKU · pith_short_16: BG7RG4TMAAKU6UGM · pith_short_8: BG7RG4TM

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/BG7RG4TMAAKU6UGM65JUXU5F7I \
  | 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: 09bf13726c00154f50ccf7534bd3a5fa2a5767dc9d224b81e5893942a8cdba1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "684f038dda030e4b6bb371ee380d953a14e20057a62d3ba40c3aafbd6e372388",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-30T14:01:16Z",
    "title_canon_sha256": "0b48637ca785f1f60cc8d30bfcc1f5e54ae08fb52ae7018434ed8f378d774e65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09239",
    "kind": "arxiv",
    "version": 1
  }
}