Pith Number

pith:JK2CUVCZ

pith:2020:JK2CUVCZLHFXSD67QFLLRWUIK7

not attested not anchored not stored refs pending

The ZTF Source Classification Project: II. Periodicity and variability processing metrics

Amruta Jaodand, Andrew Drake, Ashish A. Mahabal, Ben Rusholme, David L. Kaplan, Dmitry A. Duev, Eric C. Bellm, Frank J. Masci, Hector Rodriguez, Jan van Roestel, Jeffry Zolkower, Kevin Burdge, Lynne Hillenbrand, Matthew J. Graham, Michael L. Katz, Michael W. Coughlin, Mickael Rigault, Przemek Mr\'oz, Reed Riddle, Richard Dekany, Rick Burruss, Russ R. Laher, Thomas A. Prince, Thomas Kupfer, Yuhan Yao

arxiv:2009.14071 v1 · 2020-09-29 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JK2CUVCZLHFXSD67QFLLRWUIK7}

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	2026-07-05T02:55:07.898588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab42a545959cb790fdf8156b8da8857c5bf9db7fcf6f691ac5ed3a81627a750

Aliases

arxiv: 2009.14071 · arxiv_version: 2009.14071v1 · doi: 10.48550/arxiv.2009.14071 · pith_short_12: JK2CUVCZLHFX · pith_short_16: JK2CUVCZLHFXSD67 · pith_short_8: JK2CUVCZ

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/JK2CUVCZLHFXSD67QFLLRWUIK7 \
  | 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: 4ab42a545959cb790fdf8156b8da8857c5bf9db7fcf6f691ac5ed3a81627a750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae7d459c7e4c3b42e405546318765d6ac57f60c1e57596966036de0c0d895e01",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-09-29T14:58:40Z",
    "title_canon_sha256": "d186c9f93b457850024009a98caa5fdfc309368f7a9335e38cf41bfa21936569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14071",
    "kind": "arxiv",
    "version": 1
  }
}