Pith Number

pith:N4DZ6IE4

pith:2026:N4DZ6IE4OMJVFYX2BYUC73CFYV

not attested not anchored not stored refs pending

Why do massive stars form bow shocks? Bulk ISM motion as the main driver of bow shock formation and geometry

J. van den Eijnden, L. Kaper

arxiv:2608.05946 v1 · 2026-08-06 · 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{N4DZ6IE4OMJVFYX2BYUC73CFYV}

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	2026-08-07T00:53:54.444546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f079f209c731352e2fa0e282fec45c541e7ad9875d4ffcd7f38c725e7af38ae

Aliases

arxiv: 2608.05946 · arxiv_version: 2608.05946v1 · doi: 10.48550/arxiv.2608.05946 · pith_short_12: N4DZ6IE4OMJV · pith_short_16: N4DZ6IE4OMJVFYX2 · pith_short_8: N4DZ6IE4

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/N4DZ6IE4OMJVFYX2BYUC73CFYV \
  | 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: 6f079f209c731352e2fa0e282fec45c541e7ad9875d4ffcd7f38c725e7af38ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffae4e5373256a7509a7e93bb5aca7d46363fe98cea41865b2c0cb1ca9abac9b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-08-06T12:13:20Z",
    "title_canon_sha256": "052d58ec404badb2b29f3de5a381dc88cada116a971cc8b99394d855c3761d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05946",
    "kind": "arxiv",
    "version": 1
  }
}