Pith Number

pith:ZJRYHYBZ

pith:2011:ZJRYHYBZ424OKBENXYK7WS6JI2

not attested not anchored not stored refs pending

NGC 2207/IC 2163: A Grazing Encounter with Large Scale Shocks

Bruce G. Elmegreen, Curtis Struck, Debra M. Elmegreen, Dirk Grupe, Elias Brinks, Michele Kaufman

arxiv:1102.4592 v1 · 2011-02-22 · 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{ZJRYHYBZ424OKBENXYK7WS6JI2}

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	2026-05-18T02:03:06.363872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6383e039e6b8e5048dbe15fb4bc946bf681cc8e0a5694a3b87718dbe6cb105

Aliases

arxiv: 1102.4592 · arxiv_version: 1102.4592v1 · doi: 10.48550/arxiv.1102.4592 · pith_short_12: ZJRYHYBZ424O · pith_short_16: ZJRYHYBZ424OKBEN · pith_short_8: ZJRYHYBZ

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/ZJRYHYBZ424OKBENXYK7WS6JI2 \
  | 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: ca6383e039e6b8e5048dbe15fb4bc946bf681cc8e0a5694a3b87718dbe6cb105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2d32b6edf56d7d237d2e51f492aa26fd1e6acb89ccfccaec96c55384e38476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-22T19:41:38Z",
    "title_canon_sha256": "d5dfde136ea5efac115ea9b37f546969932a5565a1ae9e7827caef23ca50c6d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4592",
    "kind": "arxiv",
    "version": 1
  }
}