Pith Number

pith:RXHTR4WN

pith:2013:RXHTR4WNLWJAUNBB67SIPQNPWA

not attested not anchored not stored refs pending

Possible chromospheric activity cycles in AD Leo

Andrea P. Buccino, Emiliano Jofr\'e, Pablo J. D. Mauas, Romina Petrucci

arxiv:1312.3810 v1 · 2013-12-13 · 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{RXHTR4WNLWJAUNBB67SIPQNPWA}

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	2026-05-18T01:45:50.792494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dcf38f2cd5d920a3421f7e487c1afb02c1e037262991d44d3f147ead95d95d6

Aliases

arxiv: 1312.3810 · arxiv_version: 1312.3810v1 · doi: 10.48550/arxiv.1312.3810 · pith_short_12: RXHTR4WNLWJA · pith_short_16: RXHTR4WNLWJAUNBB · pith_short_8: RXHTR4WN

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/RXHTR4WNLWJAUNBB67SIPQNPWA \
  | 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: 8dcf38f2cd5d920a3421f7e487c1afb02c1e037262991d44d3f147ead95d95d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9785dd5344e7715884862aecedc94d5dee9b5b7d80bee2f95a98a4b8d37c62a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-13T13:53:16Z",
    "title_canon_sha256": "8cd4fd1528c62280bd848885b0ab637e683bc9d781a9199aef0966fb8e89acf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3810",
    "kind": "arxiv",
    "version": 1
  }
}