Pith Number

pith:K4P66K6Y

pith:2015:K4P66K6YM46OST7X6W5KE4WDK6

not attested not anchored not stored refs pending

Offset between stellar spiral arms and gas arms of the Milky Way

J. L. Han, L. G. Hou

arxiv:1508.04263 v1 · 2015-08-18 · 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{K4P66K6YM46OST7X6W5KE4WDK6}

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	2026-05-18T01:31:31.475630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571fef2bd8673ce94ff7f5baa272c357b57c924744a6ac9f7773141451924176

Aliases

arxiv: 1508.04263 · arxiv_version: 1508.04263v1 · doi: 10.48550/arxiv.1508.04263 · pith_short_12: K4P66K6YM46O · pith_short_16: K4P66K6YM46OST7X · pith_short_8: K4P66K6Y

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/K4P66K6YM46OST7X6W5KE4WDK6 \
  | 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: 571fef2bd8673ce94ff7f5baa272c357b57c924744a6ac9f7773141451924176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49b194bca045ef69d4caed15f493d5e30f2c30e31ca5e1b847610a033bfbacb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-18T09:54:49Z",
    "title_canon_sha256": "51a4066fe7b9c7c2a8365c2b4977d56f7f45a5d3712f517bfd3d61171606fb43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04263",
    "kind": "arxiv",
    "version": 1
  }
}