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Pith Number

pith:6K4WPHHQ

pith:2023:6K4WPHHQ65TKPUORJJSQ7WYBJB
not attested not anchored not stored refs pending

H$_2$O MegaMaser emission in NGC 4258 indicative of a periodic disc instability

Andrej Sobolev, Christian Henkel, Hiroshi Imai, Tao An, Vladimir Kostenko, Wiillem A. Baan

arxiv:2302.14738 v1 · 2023-02-28 · astro-ph.GA

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\usepackage{pith}
\pithnumber{6K4WPHHQ65TKPUORJJSQ7WYBJB}

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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 2026-07-05T05:46:49.204414Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f2b9679cf0f766a7d1d14a650fdb01484a58d2f238b9f0c2a9139497e3e93833

Aliases

arxiv: 2302.14738 · arxiv_version: 2302.14738v1 · doi: 10.48550/arxiv.2302.14738 · pith_short_12: 6K4WPHHQ65TK · pith_short_16: 6K4WPHHQ65TKPUOR · pith_short_8: 6K4WPHHQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6K4WPHHQ65TKPUORJJSQ7WYBJB \
  | 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: f2b9679cf0f766a7d1d14a650fdb01484a58d2f238b9f0c2a9139497e3e93833
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "352137d20dcd639918f2e74c7ac2ee8fc9398eae39622e4d031f3aeb9ab31a21",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-28T16:41:12Z",
    "title_canon_sha256": "579f9cff709cab8f6c23e07efa39a07701142ff2601a7b3443b3448c6c11edc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14738",
    "kind": "arxiv",
    "version": 1
  }
}