Pith Number

pith:IZ4SUGVT

pith:2019:IZ4SUGVTW3UBW4S7EEGMXC5Q2T

not attested not anchored not stored refs pending

Optical observations of the nearby galaxy NGC 2366 through narrowband H$\alpha$ and SII filters. Supernova remnants status

A. \'Ciprijanovi\'c, D. Oni\'c, M. M. Vu\v{c}eti\'c, M. Z. Pavlovi\'c, N. Petrov

arxiv:1902.08671 v1 · 2019-02-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZ4SUGVTW3UBW4S7EEGMXC5Q2T}

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	2026-05-17T23:47:16.990301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46792a1ab3b6e81b725f210ccb8bb0d4f175db6208279be02d6a9f5897126f62

Aliases

arxiv: 1902.08671 · arxiv_version: 1902.08671v1 · doi: 10.48550/arxiv.1902.08671 · pith_short_12: IZ4SUGVTW3UB · pith_short_16: IZ4SUGVTW3UBW4S7 · pith_short_8: IZ4SUGVT

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/IZ4SUGVTW3UBW4S7EEGMXC5Q2T \
  | 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: 46792a1ab3b6e81b725f210ccb8bb0d4f175db6208279be02d6a9f5897126f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d748da83f83c281767c3cf0d840c85b0758695d50ee65cdb67ec2577acddf17",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-22T21:26:28Z",
    "title_canon_sha256": "dcf5938135248fc0a6f85e7ef73a692ac9805107510b706802d4a6885e0c7fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08671",
    "kind": "arxiv",
    "version": 1
  }
}