Pith Number

pith:N2K4JY5J

pith:2019:N2K4JY5JTLSOXRMQJCUBFKGNDR

not attested not anchored not stored refs pending

Studies of Star-forming Complexes in the Galaxies NGC 628, NGC 2976, and NGC 3351

D. S. Wiebe, K. I. Smirnova

arxiv:1908.03756 v1 · 2019-08-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2K4JY5JTLSOXRMQJCUBFKGNDR}

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	2026-07-04T23:53:18.032074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e95c4e3a99ae4ebc59048a812a8cd1c4d19b3b0cab5ff83d58c2d6549fcc113

Aliases

arxiv: 1908.03756 · arxiv_version: 1908.03756v1 · doi: 10.48550/arxiv.1908.03756 · pith_short_12: N2K4JY5JTLSO · pith_short_16: N2K4JY5JTLSOXRMQ · pith_short_8: N2K4JY5J

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/N2K4JY5JTLSOXRMQJCUBFKGNDR \
  | 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: 6e95c4e3a99ae4ebc59048a812a8cd1c4d19b3b0cab5ff83d58c2d6549fcc113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9877963f91c9230dc59882d4f7e462cd44277c378800fd0d0e439ec8298ad52b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-10T13:56:03Z",
    "title_canon_sha256": "10f418e1909675fd04c2de22afe4057e27130838f8cb0e501fd807a8960049ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03756",
    "kind": "arxiv",
    "version": 1
  }
}