pith. sign in
Pith Number

pith:M46XJHXP

pith:2018:M46XJHXPF3JXFLSRWMW4JBAUOC
not attested not anchored not stored refs pending

Circumnuclear star formation in Mrk 42 mapped with Gemini Near-infrared Integral Field Spectrograph

Luis Colina, Moire G. Hennig, O. L. Dors, Rogemar A. Riffel, Rogerio Riffel, Thaisa Storchi-Bergmann

arxiv:1802.09471 v2 · 2018-02-26 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M46XJHXPF3JXFLSRWMW4JBAUOC}

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 2026-05-18T00:20:34.911622Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

673d749eef2ed372ae51b32dc4841470881c9b32a3cc3018bd20f5d817e45a97

Aliases

arxiv: 1802.09471 · arxiv_version: 1802.09471v2 · doi: 10.48550/arxiv.1802.09471 · pith_short_12: M46XJHXPF3JX · pith_short_16: M46XJHXPF3JXFLSR · pith_short_8: M46XJHXP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M46XJHXPF3JXFLSRWMW4JBAUOC \
  | 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: 673d749eef2ed372ae51b32dc4841470881c9b32a3cc3018bd20f5d817e45a97
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a986ace89311bd4c8765d7a9641c24c64fbabc4fb9c21d049808b403724c3942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-26T17:38:04Z",
    "title_canon_sha256": "116f581803652ae3597f18ddcf4c879c11d4cf2b2eca584995b82cd7f3f1f24f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09471",
    "kind": "arxiv",
    "version": 2
  }
}