Pith Number

pith:2XGGJ4PO

pith:2018:2XGGJ4POM5FV6GL2QB3PFYOC2O

not attested not anchored not stored refs pending

$\zeta^{1} + \zeta^{2}$ Reticuli binary system: A puzzling chromospheric activity pattern

A. Buccino, C. Saffe, E. Jofr\'e, J. F. Gonz\'alez, M. Flores, M. Jaque Arancibia, N. E. Nu\~nez

arxiv:1801.08104 v1 · 2018-01-24 · 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{2XGGJ4POM5FV6GL2QB3PFYOC2O}

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	2026-05-18T00:19:21.519106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5cc64f1ee674b5f197a8076f2e1c2d38199e229184c6256d2de33f8e289277b

Aliases

arxiv: 1801.08104 · arxiv_version: 1801.08104v1 · doi: 10.48550/arxiv.1801.08104 · pith_short_12: 2XGGJ4POM5FV · pith_short_16: 2XGGJ4POM5FV6GL2 · pith_short_8: 2XGGJ4PO

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/2XGGJ4POM5FV6GL2QB3PFYOC2O \
  | 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: d5cc64f1ee674b5f197a8076f2e1c2d38199e229184c6256d2de33f8e289277b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd40e336357cad62e87f06570dd4845d424550f96056efaaa18a732bdc82a6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-24T18:07:27Z",
    "title_canon_sha256": "518dc277af3f88d97a21eb68eca4fbbdf6e12dc166f8ebc16367f399156dd6d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08104",
    "kind": "arxiv",
    "version": 1
  }
}