Pith Number

pith:2NX7LFQX

pith:2012:2NX7LFQXXSDLNF547YWMBOCMKB

not attested not anchored not stored refs pending

Gaseous Structures in Barred Galaxies: Effects of the Bar Strength

Korea), Woong-Tae Kim, Woo-Young Seo, Yonghwi Kim (Seoul National University

arxiv:1208.1821 v1 · 2012-08-09 · astro-ph.CO · 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{2NX7LFQXXSDLNF547YWMBOCMKB}

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	2026-05-18T01:55:17.318236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d36ff59617bc86b697bcfe2cc0b84c50552b06ecf934833a60ba782fc8f05333

Aliases

arxiv: 1208.1821 · arxiv_version: 1208.1821v1 · doi: 10.48550/arxiv.1208.1821 · pith_short_12: 2NX7LFQXXSDL · pith_short_16: 2NX7LFQXXSDLNF54 · pith_short_8: 2NX7LFQX

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/2NX7LFQXXSDLNF547YWMBOCMKB \
  | 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: d36ff59617bc86b697bcfe2cc0b84c50552b06ecf934833a60ba782fc8f05333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce5ef018b3fac8740794807bc373a4635a467845df64b7b76e613a1d0bcba93",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-09T06:29:33Z",
    "title_canon_sha256": "4a3fda4a99cc456dcdc34cd22e088e56d6e5d4e32bf2676ca8574d319f69ed76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1821",
    "kind": "arxiv",
    "version": 1
  }
}