Pith Number

pith:C64YE6BY

pith:2016:C64YE6BYSX43MYSKBM27LWSICD

not attested not anchored not stored refs pending

Calculations of periodicity from H{\alpha} profiles of Proxima Centauri

Hugh R.A. Jones, John M. Collins, John R. Barnes

arxiv:1608.07834 v1 · 2016-08-28 · 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{C64YE6BYSX43MYSKBM27LWSICD}

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	2026-05-18T00:42:55.507609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17b982783895f9b6624a0b35f5da4810c4d86832ee32156e53ec20a903111f63

Aliases

arxiv: 1608.07834 · arxiv_version: 1608.07834v1 · doi: 10.48550/arxiv.1608.07834 · pith_short_12: C64YE6BYSX43 · pith_short_16: C64YE6BYSX43MYSK · pith_short_8: C64YE6BY

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/C64YE6BYSX43MYSKBM27LWSICD \
  | 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: 17b982783895f9b6624a0b35f5da4810c4d86832ee32156e53ec20a903111f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd9e58c1da0f4eedb06f586d7e641e0ed0adad89a147f4b4af6eb64e7a6d084e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-28T17:34:36Z",
    "title_canon_sha256": "f8317fa4e541aa4b9aecb32cce634f25c3f29ddbf5c7569c841a3db2efafccad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07834",
    "kind": "arxiv",
    "version": 1
  }
}