Pith Number

pith:LLFJ2VAZ

pith:2020:LLFJ2VAZ6GCQ2EJVJ7MMYKYC7I

not attested not anchored not stored refs pending

Properties of a Previously Unidentified Instrumental Signature in $\textit{Kepler/K2}$ that was Confused for AGN Variability

Gordon T. Richards, Jackeline Moreno, John O'Brien, Krista Lynne Smith, Michael S. Vogeley, Rachel Buttry

arxiv:2012.14452 v1 · 2020-12-28 · astro-ph.GA · astro-ph.EP · 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{LLFJ2VAZ6GCQ2EJVJ7MMYKYC7I}

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	2026-07-05T03:31:56.323786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aca9d5419f1850d11354fd8cc2b02fa292380b6a0109679b67d479f3347e156

Aliases

arxiv: 2012.14452 · arxiv_version: 2012.14452v1 · doi: 10.48550/arxiv.2012.14452 · pith_short_12: LLFJ2VAZ6GCQ · pith_short_16: LLFJ2VAZ6GCQ2EJV · pith_short_8: LLFJ2VAZ

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/LLFJ2VAZ6GCQ2EJVJ7MMYKYC7I \
  | 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: 5aca9d5419f1850d11354fd8cc2b02fa292380b6a0109679b67d479f3347e156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72d5b8563b51b2397811f66436bb94a8aa27815568852a9dfa6ab3460cdaa875",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-28T19:16:46Z",
    "title_canon_sha256": "1a9609fea639227f44163f5264cb5b97bea00a4d86246028eca8cbc73c59a035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14452",
    "kind": "arxiv",
    "version": 1
  }
}