Pith Number

pith:FRRCEJVI

pith:2014:FRRCEJVIVPCQGSNI7OQHHKK2Y3

not attested not anchored not stored refs pending

Magnetic Spiral Arms and Galactic Outflows

Anvar Shukurov, Kandaswamy Subramanian, Luke Chamandy

arxiv:1408.3937 v2 · 2014-08-18 · 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{FRRCEJVIVPCQGSNI7OQHHKK2Y3}

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	2026-05-18T01:42:18.069001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c622226a8abc50349a8fba073a95ac6dd25093ad4637740979deb355daaa942

Aliases

arxiv: 1408.3937 · arxiv_version: 1408.3937v2 · doi: 10.48550/arxiv.1408.3937 · pith_short_12: FRRCEJVIVPCQ · pith_short_16: FRRCEJVIVPCQGSNI · pith_short_8: FRRCEJVI

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/FRRCEJVIVPCQGSNI7OQHHKK2Y3 \
  | 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: 2c622226a8abc50349a8fba073a95ac6dd25093ad4637740979deb355daaa942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c9ef835b9276584fb52d7c3827594a1a4db39876df7fd7750103a2bb869ed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-18T08:54:12Z",
    "title_canon_sha256": "5c33a2739275fb3e1f153b65c06d3630f4a48a5a25592b6bdad4e04dbe77f70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3937",
    "kind": "arxiv",
    "version": 2
  }
}