Pith Number

pith:76XYPDCU

pith:2019:76XYPDCUCWVBMPV6YSJMQB6RVU

not attested not anchored not stored refs pending

36 GHz methanol lines from nearby galaxies: maser or quasi-thermal emission?

A. Malawi, A. Tarchi, B. Winkel, C. Henkel, H. Asiri, P. Castangia, P. Humire, R. Mauersberger, S.A. Levshakov, S. Leurini, S.P. Ellingsen, T.P. McCarthy, X. Chen, X. Tang, Y. Gong

arxiv:1911.06776 v2 · 2019-11-15 · 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{76XYPDCUCWVBMPV6YSJMQB6RVU}

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	2026-07-05T00:34:47.971510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffaf878c5415aa163ebec492c807d1ad1007c3eec0e1feaf891084a0c34e6f62

Aliases

arxiv: 1911.06776 · arxiv_version: 1911.06776v2 · doi: 10.48550/arxiv.1911.06776 · pith_short_12: 76XYPDCUCWVB · pith_short_16: 76XYPDCUCWVBMPV6 · pith_short_8: 76XYPDCU

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/76XYPDCUCWVBMPV6YSJMQB6RVU \
  | 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: ffaf878c5415aa163ebec492c807d1ad1007c3eec0e1feaf891084a0c34e6f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a0c7536892d7fbe3e1557a5604f32d2b8e48fe694117822dc3c5e13fafbfee9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-15T17:40:37Z",
    "title_canon_sha256": "60f16b5bd8e8d6c9d97258d57b50d6bd74ded8687a4ac49a6fdae82b1e3930bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06776",
    "kind": "arxiv",
    "version": 2
  }
}