Pith Number

pith:TSZF3TJ4

pith:2016:TSZF3TJ4FHQR32GD4LRBP2O4GD

not attested not anchored not stored refs pending

Intra-night optical variability characteristics of different classes of narrow line Seyfert 1 galaxies

C. S. Stalin, Kshama S. K., Vaidehi S. Paliya

arxiv:1612.05589 v1 · 2016-12-16 · 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{TSZF3TJ4FHQR32GD4LRBP2O4GD}

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	2026-05-18T00:50:17.586450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cb25dcd3c29e11de8c3e2e217e9dc30d07a2a7a175c770210e740de280a100b

Aliases

arxiv: 1612.05589 · arxiv_version: 1612.05589v1 · doi: 10.48550/arxiv.1612.05589 · pith_short_12: TSZF3TJ4FHQR · pith_short_16: TSZF3TJ4FHQR32GD · pith_short_8: TSZF3TJ4

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/TSZF3TJ4FHQR32GD4LRBP2O4GD \
  | 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: 9cb25dcd3c29e11de8c3e2e217e9dc30d07a2a7a175c770210e740de280a100b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c9bd620746c6c6e1b335b8b29f599426bf789c03bf35d06b83a7ebd312105a8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-16T18:52:06Z",
    "title_canon_sha256": "a57ac409ec5fdec03142578d0c6308602e00f6c3ba067bb94a4e2c6541bd437d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05589",
    "kind": "arxiv",
    "version": 1
  }
}