Pith. sign in
Pith Number

pith:G77CXQTJ

pith:2019:G77CXQTJHPNTWSSWD5PIOEM3NX
not attested not anchored not stored refs pending

First stars that could significantly perturb comet motion are finally found

Ma{\l}gorzata Kr\'olikowska, Piotr A. Dybczy\'nski, Rita Wysocza\'nska

arxiv:1911.01735 v1 · 2019-11-05 · astro-ph.EP · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G77CXQTJHPNTWSSWD5PIOEM3NX}

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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 2026-07-05T00:32:04.034890Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f

Aliases

arxiv: 1911.01735 · arxiv_version: 1911.01735v1 · doi: 10.48550/arxiv.1911.01735 · pith_short_12: G77CXQTJHPNT · pith_short_16: G77CXQTJHPNTWSSW · pith_short_8: G77CXQTJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX \
  | 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: 37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7f0bdc7c755d9cdddefcb7aa3790f34b11863a361b6b0487a1c7c0ac8f1e8a73",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-05T12:06:22Z",
    "title_canon_sha256": "6a7b387ac0deac9a21f4e3d8374e4de243da46e4b2dc8e3e7707027470b7294a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01735",
    "kind": "arxiv",
    "version": 1
  }
}