Pith Number

pith:5K5SYVOH

pith:2000:5K5SYVOHVGLOAQHGT7PWNRS3BL

not attested not anchored not stored refs pending

The Frequency of Polarized Broad Emission Lines in Type 2 Seyfert Galaxies

A.J. Barth, A.V. Filippenko, E.C. Moran, L.E. Kay

arxiv:astro-ph/0007357 v1 · 2000-07-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5K5SYVOHVGLOAQHGT7PWNRS3BL}

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	2026-07-04T16:16:56.668148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabb2c55c7a996e040e69fdf66c65b0ae4dca80ac5bc6c3795248c16c6e9f0a1

Aliases

arxiv: astro-ph/0007357 · arxiv_version: astro-ph/0007357v1 · doi: 10.48550/arxiv.astro-ph/0007357 · pith_short_12: 5K5SYVOHVGLO · pith_short_16: 5K5SYVOHVGLOAQHG · pith_short_8: 5K5SYVOH

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/5K5SYVOHVGLOAQHGT7PWNRS3BL \
  | 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: eabb2c55c7a996e040e69fdf66c65b0ae4dca80ac5bc6c3795248c16c6e9f0a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa80f443e6be695c229629ba695dad1bfcb20becf28d60d1c009b9761b58780",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-24T18:47:24Z",
    "title_canon_sha256": "86ea442b0c13f60595d3e002956118335cc582785eed6e5ea424c5a7362ce03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007357",
    "kind": "arxiv",
    "version": 1
  }
}