Pith Number

pith:MX25D6GD

pith:2021:MX25D6GDAVCCSO264EBNJJ4XVS

not attested not anchored not stored refs pending

A double-period oscillation signal in millimeter emission of the radio galaxy NGC 1275

2), (2) Shanghai Astronomical Observatory, (3) Harvard Smithsonian, (4) The College of New Jersey), Mark Gurwell (3), Paul J. Wiita (4) ((1) Yunnan University, Pengfei Zhang (1), Zhongxiang Wang (1

arxiv:2112.03544 v1 · 2021-12-07 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MX25D6GDAVCCSO264EBNJJ4XVS}

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

Detection and Characterization of Quasi-Periodic Oscillations in Seyfert Galaxy NGC 4151

Receipt and verification

First computed	2026-07-05T03:57:17.718038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f5d1f8c30544293b5ee102d4a797acb701cd8bd9ab82b64239530ddf66a6fd

Aliases

arxiv: 2112.03544 · arxiv_version: 2112.03544v1 · doi: 10.48550/arxiv.2112.03544 · pith_short_12: MX25D6GDAVCC · pith_short_16: MX25D6GDAVCCSO26 · pith_short_8: MX25D6GD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MX25D6GDAVCCSO264EBNJJ4XVS \
  | 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: 65f5d1f8c30544293b5ee102d4a797acb701cd8bd9ab82b64239530ddf66a6fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be4e9fe908eca13065b41865942099791564b18354ac9e6a428a51661d0eca2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-12-07T07:39:25Z",
    "title_canon_sha256": "f5053f72ac7aa869601ca7ae21bd5665de1eaa0aed116ed1771b816bcd67a3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03544",
    "kind": "arxiv",
    "version": 1
  }
}