Pith Number

pith:A33GE5QI

pith:2022:A33GE5QIYRLKNBWFTJPQC4NNAZ

not attested not anchored not stored refs pending

Detection of a quasi-periodic oscillation in the optical light curve of the remarkable blazar AO 0235+164

Abhradeep Roy, Alok C. Gupta, Anshu Chatterjee, Arkadipta Sarkar, Claudia M. Raiteri, Gustavo E. Romero, Jorge A. Combi, Massimo Villata, Paul J. Wiita, Sergio A. Cellone, Varsha R. Chitnis

arxiv:2205.03586 v1 · 2022-05-07 · astro-ph.HE · 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{A33GE5QIYRLKNBWFTJPQC4NNAZ}

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	2026-07-05T04:21:16.167488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f6627608c456a686c59a5f0171ad06406ba16e16ba0f30bc64a47e8ff80b30

Aliases

arxiv: 2205.03586 · arxiv_version: 2205.03586v1 · doi: 10.48550/arxiv.2205.03586 · pith_short_12: A33GE5QIYRLK · pith_short_16: A33GE5QIYRLKNBWF · pith_short_8: A33GE5QI

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/A33GE5QIYRLKNBWFTJPQC4NNAZ \
  | 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: 06f6627608c456a686c59a5f0171ad06406ba16e16ba0f30bc64a47e8ff80b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8165c7fc17c918d8ab4f8882a7d4d1a7e523b2d2b4c3f66c019c434747d3894",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-07T07:56:42Z",
    "title_canon_sha256": "966ff191bddb826cc3b0e844be92706ec6144b23cd37c4aa10ec90023b378e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03586",
    "kind": "arxiv",
    "version": 1
  }
}