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Pith Number

pith:COW5SMP3

pith:2011:COW5SMP3NY6LIYLRH5XJT2Z4CM
not attested not anchored not stored refs pending

Swift UV/Optical Telescope Imaging of Star Forming Regions in M81 and Holmberg IX

A. A. Breeveld, A. R. Basu-Zych, C. Gronwall, D. E. Vanden Berk, E. A. Hoversten, M. H. Siegel, M. J. Page, N. P. M. Kuin, P. J. Brown, P. W. A. Roming

arxiv:1104.1632 v1 · 2011-04-08 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{COW5SMP3NY6LIYLRH5XJT2Z4CM}

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 2026-05-18T02:02:36.153628Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

13add931fb6e3cb461713f6e99eb3c1321c505bc543014ec6821b13728e2eb8e

Aliases

arxiv: 1104.1632 · arxiv_version: 1104.1632v1 · doi: 10.48550/arxiv.1104.1632 · pith_short_12: COW5SMP3NY6L · pith_short_16: COW5SMP3NY6LIYLR · pith_short_8: COW5SMP3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/COW5SMP3NY6LIYLRH5XJT2Z4CM \
  | 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: 13add931fb6e3cb461713f6e99eb3c1321c505bc543014ec6821b13728e2eb8e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3d3005e13123823ef44e10af2741a4f648ca58a6443595c0a6504f34e42d9e65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-08T20:00:01Z",
    "title_canon_sha256": "b9989cba83009868fb71c2ea76b4d97716fb6e4dfa6e4ce3deb43b05ce76b08a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1632",
    "kind": "arxiv",
    "version": 1
  }
}