Pith Number

pith:3EOLCXJ5

pith:2016:3EOLCXJ5DZ3MRBTNE6USUQDLK4

not attested not anchored not stored refs pending

Optical, UV, and X-Ray Evidence for a 7-Year Stellar Cycle in Proxima Centauri

B. J. Wargelin, G. Pojma\'nski, J. J. Drake, S. H. Saar, V. L. Kashyap

arxiv:1610.03447 v1 · 2016-10-11 · 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{3EOLCXJ5DZ3MRBTNE6USUQDLK4}

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.

Cited by

1 paper in Pith

Star-planet interaction in the Proxima system

Receipt and verification

First computed	2026-05-18T01:02:31.445303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d91cb15d3d1e76c8866d27a92a406b573a2350217655073bc5ba7af3640909cf

Aliases

arxiv: 1610.03447 · arxiv_version: 1610.03447v1 · doi: 10.48550/arxiv.1610.03447 · pith_short_12: 3EOLCXJ5DZ3M · pith_short_16: 3EOLCXJ5DZ3MRBTN · pith_short_8: 3EOLCXJ5

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/3EOLCXJ5DZ3MRBTNE6USUQDLK4 \
  | 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: d91cb15d3d1e76c8866d27a92a406b573a2350217655073bc5ba7af3640909cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb47b3af4e71f8e3cff5d4ac8f955b45c3c09c213b04117fd5852995310cce44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-11T17:57:31Z",
    "title_canon_sha256": "1e10b357981a295213e6c9adae4bd8472b6b7281f3b40c768c5dfd47d84123cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03447",
    "kind": "arxiv",
    "version": 1
  }
}