Pith Number

pith:A3PFBP32

pith:2011:A3PFBP32BUAEUVEJZAFJTJJP3K

not attested not anchored not stored refs pending

Episodic Activity in Active Galactic Nuclei

(2) Uniwersytet Jagiellonski, (3) ASIAA, (4) ARIES, C. Konar (3), D. J. Saikia (1), India), Krakow, M. Jamrozy (2), Nainital, Poland, S. Nandi (4) ((1) NCRA-TIFR India, Taiwan

arxiv:1104.1086 v1 · 2011-04-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3PFBP32BUAEUVEJZAFJTJJP3K}

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	2026-05-18T02:22:10.795570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06de50bf7a0d004a5489c80a99a52fda8a77c185f7e056ce862a1400065e1bfa

Aliases

arxiv: 1104.1086 · arxiv_version: 1104.1086v1 · doi: 10.48550/arxiv.1104.1086 · pith_short_12: A3PFBP32BUAE · pith_short_16: A3PFBP32BUAEUVEJ · pith_short_8: A3PFBP32

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/A3PFBP32BUAEUVEJZAFJTJJP3K \
  | 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: 06de50bf7a0d004a5489c80a99a52fda8a77c185f7e056ce862a1400065e1bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615266406f5e3d6d57f31f8252a6cfea9a0ad735d661e1c883f171e91912aa6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-06T13:16:18Z",
    "title_canon_sha256": "53d2abaf90261a53f7a2e54f93b0d61f6c5e6fadb4753729b96aae7eef921dca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1086",
    "kind": "arxiv",
    "version": 1
  }
}