pith. sign in
Pith Number

pith:UALEGPAM

pith:2013:UALEGPAMNQTW4MBMLXRW7GN5VJ
not attested not anchored not stored refs pending

Integral field spectroscopy of M1-67. A Wolf-Rayet nebula with LBVN appearance

A. Candian, A. Fern\'andez-Mart\'in, A. Riera, D. Mart\'in-Gord\'on, E. P\'erez-Montero, J.M. V\'ilchez, S. F. S\'anchez

arxiv:1304.3698 v1 · 2013-04-12 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UALEGPAMNQTW4MBMLXRW7GN5VJ}

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 2026-05-18T01:50:33.336223Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a016433c0c6c276e302c5de36f99bdaa5f55ea6496ad46651aaf6ab639be13db

Aliases

arxiv: 1304.3698 · arxiv_version: 1304.3698v1 · doi: 10.48550/arxiv.1304.3698 · pith_short_12: UALEGPAMNQTW · pith_short_16: UALEGPAMNQTW4MBM · pith_short_8: UALEGPAM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UALEGPAMNQTW4MBMLXRW7GN5VJ \
  | 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: a016433c0c6c276e302c5de36f99bdaa5f55ea6496ad46651aaf6ab639be13db
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "59a29a058c3d9df1cafb7988e7ccc8f92281401cb01e81283e30a08d0fe5c3f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-12T17:58:50Z",
    "title_canon_sha256": "464c1ead2b5fe64690ccc75faba3775aa435c4e74e5881be3562809379876c42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3698",
    "kind": "arxiv",
    "version": 1
  }
}