Pith Number

pith:PXJFJHLY

pith:2023:PXJFJHLYLKG3RZMQATL2776KJP

not attested not anchored not stored refs pending

The Messy Nature of Fiber Spectra: Star-Quasar Pairs Masquerading as Dual Type 1 AGNs

Barry Rothberg, Jenna M. Cann, Kimberly A. Weaver, Michael A. Reefe, Nathan J. Secrest, Remington O. Sexton, Ryan W. Pfeifle, Thomas Bohn

arxiv:2302.09095 v1 · 2023-02-17 · 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{PXJFJHLYLKG3RZMQATL2776KJP}

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	2026-07-05T05:55:19.327323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd2549d785a8db8e59004d7afffca4bf1d61e3b97813910df0b723337cea224

Aliases

arxiv: 2302.09095 · arxiv_version: 2302.09095v1 · doi: 10.48550/arxiv.2302.09095 · pith_short_12: PXJFJHLYLKG3 · pith_short_16: PXJFJHLYLKG3RZMQ · pith_short_8: PXJFJHLY

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/PXJFJHLYLKG3RZMQATL2776KJP \
  | 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: 7dd2549d785a8db8e59004d7afffca4bf1d61e3b97813910df0b723337cea224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a01c7e0c5c005e21d03b8c677b281dd7a141d5228abb9aad4c11226e9cf2b10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-17T19:00:11Z",
    "title_canon_sha256": "ba746f73a5e4f295b7ede1bc81fedf4bf10599e3ea8a66e03c338a48637fa760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09095",
    "kind": "arxiv",
    "version": 1
  }
}