Pith Number

pith:56ZHZFXA

pith:2013:56ZHZFXAX5QDMXN2THTWTYZEOK

not attested not anchored not stored refs pending

Galactic Spiral Patterns and Dynamo Action II: Asymptotic Solutions

Anvar Shukurov, Kandaswamy Subramanian, Luke Chamandy

arxiv:1301.4761 v2 · 2013-01-21 · 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{56ZHZFXAX5QDMXN2THTWTYZEOK}

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	2026-05-18T01:52:05.309730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efb27c96e0bf60365dba99e769e32472aa80ebd68c118cb0d97e2bd4c7b238d6

Aliases

arxiv: 1301.4761 · arxiv_version: 1301.4761v2 · doi: 10.48550/arxiv.1301.4761 · pith_short_12: 56ZHZFXAX5QD · pith_short_16: 56ZHZFXAX5QDMXN2 · pith_short_8: 56ZHZFXA

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/56ZHZFXAX5QDMXN2THTWTYZEOK \
  | 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: efb27c96e0bf60365dba99e769e32472aa80ebd68c118cb0d97e2bd4c7b238d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26865c61c72bc9244e4b8271fe326a6db09628828b4a26cd78b23423c9b2bf0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-21T06:12:49Z",
    "title_canon_sha256": "9e6fc814a0a540b045481f336b5cdd79efd66e548a1f401f13ea4b2954f06b6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4761",
    "kind": "arxiv",
    "version": 2
  }
}