Pith Number

pith:SENNDFTQ

pith:2020:SENNDFTQKCJYZAHTVFJCL5QSGN

not attested not anchored not stored refs pending

Testing the solar activity paradigm in the context of exoplanet transits

Carolus J. Schrijver

arxiv:2001.01093 v2 · 2020-01-04 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SENNDFTQKCJYZAHTVFJCL5QSGN}

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	2026-07-05T00:43:44.844569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

911ad1967050938c80f3a95225f6123361bde18aefc17296335dcc7e59884f43

Aliases

arxiv: 2001.01093 · arxiv_version: 2001.01093v2 · doi: 10.48550/arxiv.2001.01093 · pith_short_12: SENNDFTQKCJY · pith_short_16: SENNDFTQKCJYZAHT · pith_short_8: SENNDFTQ

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/SENNDFTQKCJYZAHTVFJCL5QSGN \
  | 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: 911ad1967050938c80f3a95225f6123361bde18aefc17296335dcc7e59884f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ffce95ea1b48496b56ca53437c6b933098d8a42c831502c5e1d3abafff95d8",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-04T16:14:44Z",
    "title_canon_sha256": "9c1d6c95018a215f8e3f01317dc93c4e76e76abe196b29a89d455043048579f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01093",
    "kind": "arxiv",
    "version": 2
  }
}