Pith Number

pith:SFHSDV7Q

pith:2025:SFHSDV7QO6LMMV4PBXJZTT6XAY

not attested not anchored not stored refs pending

Extreme Starlight Polarization Efficiency Toward $\zeta$ Ophiuchi: A Case for Line-of-Sight Foreground Subtraction

Henry A. Kobulnicky, Jordan A. Bartlett

arxiv:2509.04427 v1 · 2025-09-04 · 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{SFHSDV7QO6LMMV4PBXJZTT6XAY}

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	2026-07-05T12:05:04.671092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914f21d7f07796c6578f0dd399cfd70607e055ff44b280d2553a92f54bec458f

Aliases

arxiv: 2509.04427 · arxiv_version: 2509.04427v1 · doi: 10.48550/arxiv.2509.04427 · pith_short_12: SFHSDV7QO6LM · pith_short_16: SFHSDV7QO6LMMV4P · pith_short_8: SFHSDV7Q

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/SFHSDV7QO6LMMV4PBXJZTT6XAY \
  | 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: 914f21d7f07796c6578f0dd399cfd70607e055ff44b280d2553a92f54bec458f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10ee9f2b713f75db16725bd89421933d6e0d3299acdd5e7a30dc6914358f31cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-04T17:47:11Z",
    "title_canon_sha256": "2ba064f4ca51bff008c2550f31034c5877a84423e45b61cba4b23b4999c4eff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04427",
    "kind": "arxiv",
    "version": 1
  }
}