Pith Number

pith:7WVQNW2P

pith:2022:7WVQNW2PTPCCBLAXVL4PUO2F2C

not attested not anchored not stored refs pending

Radiation-driven acceleration in the expanding WR140 dust shell

Anthony Soulain, Peter G. Tuthill, Ryan M. Lau, Yinuo Han

arxiv:2210.06556 v1 · 2022-10-12 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WVQNW2PTPCCBLAXVL4PUO2F2C}

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	2026-07-05T05:06:16.901933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdab06db4f9bc420ac17aaf8fa3b45d09cc3bdedf77f719fcb81283124762e42

Aliases

arxiv: 2210.06556 · arxiv_version: 2210.06556v1 · doi: 10.48550/arxiv.2210.06556 · pith_short_12: 7WVQNW2PTPCC · pith_short_16: 7WVQNW2PTPCCBLAX · pith_short_8: 7WVQNW2P

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/7WVQNW2PTPCCBLAXVL4PUO2F2C \
  | 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: fdab06db4f9bc420ac17aaf8fa3b45d09cc3bdedf77f719fcb81283124762e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab8f3ee53001ecfe806f46cb9ef6349af0c39c6a2272ce0db3d4abccb629038",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-12T19:51:42Z",
    "title_canon_sha256": "74ef079d8c76c037cd1eecf6f373ca9baa389bfbe1d81ebbdda4d513e0d73650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.06556",
    "kind": "arxiv",
    "version": 1
  }
}