Pith Number

pith:ZLWH7UQC

pith:2024:ZLWH7UQCJ5VOQGTWLJ5O6V5OOB

not attested not anchored not stored refs pending

Intra-night optical variability of peculiar narrow-line Seyfert 1 galaxies with enigmatic jet behavior

E. Jarvela, M. Berton, Veeresh Singh, Vineet Ojha

arxiv:2401.03681 v2 · 2024-01-08 · 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{ZLWH7UQCJ5VOQGTWLJ5O6V5OOB}

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	2026-07-05T07:35:42.023302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caec7fd2024f6ae81a765a7aef57ae70750d88c2ab7d2155fc63d1582dca32ae

Aliases

arxiv: 2401.03681 · arxiv_version: 2401.03681v2 · doi: 10.48550/arxiv.2401.03681 · pith_short_12: ZLWH7UQCJ5VO · pith_short_16: ZLWH7UQCJ5VOQGTW · pith_short_8: ZLWH7UQC

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/ZLWH7UQCJ5VOQGTWLJ5O6V5OOB \
  | 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: caec7fd2024f6ae81a765a7aef57ae70750d88c2ab7d2155fc63d1582dca32ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd6bb79df8a48eb98a2c414eb7ab32c5afd76e09bb240d034f737a3f26ccada",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-08T06:10:23Z",
    "title_canon_sha256": "b68f3c3307d058a36693c945cb7127e2425cf3edc8944df77702052c4bdc83b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.03681",
    "kind": "arxiv",
    "version": 2
  }
}