Pith Number

pith:2FY3L4FX

pith:2019:2FY3L4FXLUX5KMMPPYN2VFZDC7

not attested not anchored not stored refs pending

Discovery statistics and the 1/a-distribution of long-period comets detected over the 1801-2017 period

(2) Astronomical Observatory Institute, A. Mickiewicz University, Faculty of Physics, Ma{\l}gorzata Kr\'olikowska (1), Piotr A. Dybczy\'nski (2) ((1) Space Research Centre of the Polish Academy of Sciences, Poland, Poland), Pozna\'n, Warsaw

arxiv:1901.01722 v1 · 2019-01-07 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FY3L4FXLUX5KMMPPYN2VFZDC7}

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	2026-05-17T23:54:15.348792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d171b5f0b75d2fd5318f7e1baa972317c0afd8f83352545d8efe9fc1cf7f8292

Aliases

arxiv: 1901.01722 · arxiv_version: 1901.01722v1 · doi: 10.48550/arxiv.1901.01722 · pith_short_12: 2FY3L4FXLUX5 · pith_short_16: 2FY3L4FXLUX5KMMP · pith_short_8: 2FY3L4FX

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/2FY3L4FXLUX5KMMPPYN2VFZDC7 \
  | 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: d171b5f0b75d2fd5318f7e1baa972317c0afd8f83352545d8efe9fc1cf7f8292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41cfa552a9aa944d8952ab51d4dc4403c0554783e0835aebab1e2a5278b3fa21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-07T09:36:41Z",
    "title_canon_sha256": "d2d87358b18ff732d086c9c986be1b2ee79e6983bf542d5f3035c04d8b6f3c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01722",
    "kind": "arxiv",
    "version": 1
  }
}