Pith Number

pith:AI62FKOU

pith:2017:AI62FKOUP33OUN2I7LBNDJ2YAI

not attested not anchored not stored refs pending

Optical Variability of Narrow and Broad line Seyfert 1 galaxies

C. S. Stalin, Suvendu Rakshit

arxiv:1705.05123 v1 · 2017-05-15 · 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{AI62FKOUP33OUN2I7LBNDJ2YAI}

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	2026-05-18T00:41:32.641681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

023da2a9d47ef6ea3748fac2d1a758021a382c3b822cf03a8f86f19dbe351f87

Aliases

arxiv: 1705.05123 · arxiv_version: 1705.05123v1 · doi: 10.48550/arxiv.1705.05123 · pith_short_12: AI62FKOUP33O · pith_short_16: AI62FKOUP33OUN2I · pith_short_8: AI62FKOU

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/AI62FKOUP33OUN2I7LBNDJ2YAI \
  | 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: 023da2a9d47ef6ea3748fac2d1a758021a382c3b822cf03a8f86f19dbe351f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52fe0d5586475b620c095028b546cdbc43b9ed8a014cc18ddd7f4a0bb6928c9a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-15T09:11:37Z",
    "title_canon_sha256": "d02c83741cfbfe164c38319f8da047c849b06c7c0cb11708cb68cf6d1419ebd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05123",
    "kind": "arxiv",
    "version": 1
  }
}