Pith Number

pith:Y24S252Y

pith:2019:Y24S252Y3CXFMXLZKLMTF556MI

not attested not anchored not stored refs pending

Local manifestations of cometary activity

Ekkehard K\"uhrt, Horst Uwe Keller, Jean-Baptiste Vincent, Nilda Oklay, Ramy El-Maarry, Raphael Marschall, Tony Farnham, Yuri Skorov

arxiv:1904.05607 v1 · 2019-04-11 · 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{Y24S252Y3CXFMXLZKLMTF556MI}

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	2026-05-17T23:46:17.793630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b92d7758d8ae565d7952d932f7be6215a41f3097c6621c702b1364c4766a39

Aliases

arxiv: 1904.05607 · arxiv_version: 1904.05607v1 · doi: 10.48550/arxiv.1904.05607 · pith_short_12: Y24S252Y3CXF · pith_short_16: Y24S252Y3CXFMXLZ · pith_short_8: Y24S252Y

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/Y24S252Y3CXFMXLZKLMTF556MI \
  | 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: c6b92d7758d8ae565d7952d932f7be6215a41f3097c6621c702b1364c4766a39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d93f9c70ed2014743a1763798da4affcfece726f2a267de5387c6425352275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-11T10:00:52Z",
    "title_canon_sha256": "ffdfd251d19a0e881ee298f9a9bb776707741ee73c3382a6554eb14b97ac28ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05607",
    "kind": "arxiv",
    "version": 1
  }
}