pith. sign in
Pith Number

pith:AKUPDMQH

pith:2004:AKUPDMQHTOPWBPOG5TGDJR6CA2
not attested not anchored not stored refs pending

Offsets between H-alpha and CO arms of a spiral galaxy NGC 4254: A New Method for Determining the Pattern Speed of Spiral Galaxies

Fumi Egusa, Hiroyuki Nakanishi, Yoshiaki SOFUE

arxiv:astro-ph/0410469 v1 · 2004-10-20 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AKUPDMQHTOPWBPOG5TGDJR6CA2}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:40:34.922455Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

02a8f1b2079b9f60bdc6eccc34c7c206a6724c2d140147418ba6f3058fb2e954

Aliases

arxiv: astro-ph/0410469 · arxiv_version: astro-ph/0410469v1 · doi: 10.48550/arxiv.astro-ph/0410469 · pith_short_12: AKUPDMQHTOPW · pith_short_16: AKUPDMQHTOPWBPOG · pith_short_8: AKUPDMQH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AKUPDMQHTOPWBPOG5TGDJR6CA2 \
  | 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: 02a8f1b2079b9f60bdc6eccc34c7c206a6724c2d140147418ba6f3058fb2e954
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9106778545038a570e38de32ac8ece5dc9faa4c11be34a6f001e93bcb042a9c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-20T04:53:22Z",
    "title_canon_sha256": "367fe3917dc7f575aaec3278e2e2ef2338b726e269417b2b9d0511b66edc1e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410469",
    "kind": "arxiv",
    "version": 1
  }
}