Pith Number

pith:7Z2NOBHZ

pith:2022:7Z2NOBHZKVXSMKVWAUKWOO3GF4

not attested not anchored not stored refs pending

Quasi-simultaneous observations of radio and X-ray variability in three radio-quiet Seyfert galaxies

Ari Laor, Ehud Behar, Sina Chen

arxiv:2207.01601 v1 · 2022-07-04 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z2NOBHZKVXSMKVWAUKWOO3GF4}

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	2026-07-05T04:41:46.205197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe74d704f9556f262ab60515673b662f19d99f0d0d41a8056a46515a9210b4f7

Aliases

arxiv: 2207.01601 · arxiv_version: 2207.01601v1 · doi: 10.48550/arxiv.2207.01601 · pith_short_12: 7Z2NOBHZKVXS · pith_short_16: 7Z2NOBHZKVXSMKVW · pith_short_8: 7Z2NOBHZ

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/7Z2NOBHZKVXSMKVWAUKWOO3GF4 \
  | 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: fe74d704f9556f262ab60515673b662f19d99f0d0d41a8056a46515a9210b4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83fac73b28ce8de570319d4ae817ba37e1f1d0a02f8be319790eaa5712c60105",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-07-04T17:33:38Z",
    "title_canon_sha256": "603ad508d3b0ba471287e24901756fd56a92d36db0a1e4375bf077a2c44bbade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01601",
    "kind": "arxiv",
    "version": 1
  }
}