Pith Number

pith:MOOWJYTH

pith:2026:MOOWJYTHUXPOJXPDIGRXORWOYK

not attested not anchored not stored refs pending

Detection of Variability in Seyfert 2 Galaxies and Measurement of the Optical Scattering Region Size

Benjamin J. Shappee, Emilia Jaervelae, Francesco Shankar, Heechan Yuk, Natalie Kovacevic, Patrick J. Vallely, Tingfeng Yi, Xinyu Dai

arxiv:2606.23564 v1 · 2026-06-22 · 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{MOOWJYTHUXPOJXPDIGRXORWOYK}

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	2026-06-23T03:14:30.997001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

639d64e267a5dee4dde341a37746cec2a1571e45bc9a5fc85dedcaa52c974277

Aliases

arxiv: 2606.23564 · arxiv_version: 2606.23564v1 · doi: 10.48550/arxiv.2606.23564 · pith_short_12: MOOWJYTHUXPO · pith_short_16: MOOWJYTHUXPOJXPD · pith_short_8: MOOWJYTH

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/MOOWJYTHUXPOJXPDIGRXORWOYK \
  | 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: 639d64e267a5dee4dde341a37746cec2a1571e45bc9a5fc85dedcaa52c974277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2b3384a7d652d04817c3ad6b8800bd360c5141c25c5c8e6924f0b81c330a88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-22T16:31:21Z",
    "title_canon_sha256": "aa464f379e2dda98cf9d796ce7efe1796568198ab4b36925abeeeb07c4e0bd42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23564",
    "kind": "arxiv",
    "version": 1
  }
}