Pith Number

pith:Q5VO6ANU

pith:2013:Q5VO6ANUGFLUFDWGYA7BTWDRXT

not attested not anchored not stored refs pending

Refining the M_BH-V_c scaling relation with HI rotation curves of water megamaser galaxies

Ai-Lei Sun, Cheng-Yu Kuo, C. M. Violette Impellizzeri, James A. Braatz, Jenny E. Greene, Sarah Tuttle

arxiv:1309.5166 v1 · 2013-09-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5VO6ANUGFLUFDWGYA7BTWDRXT}

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	2026-05-18T01:47:35.246463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876aef01b43157428ec6c03e19d871bce17ea2fc248bea509fd4a696a570362a

Aliases

arxiv: 1309.5166 · arxiv_version: 1309.5166v1 · doi: 10.48550/arxiv.1309.5166 · pith_short_12: Q5VO6ANUGFLU · pith_short_16: Q5VO6ANUGFLUFDWG · pith_short_8: Q5VO6ANU

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/Q5VO6ANUGFLUFDWGYA7BTWDRXT \
  | 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: 876aef01b43157428ec6c03e19d871bce17ea2fc248bea509fd4a696a570362a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cf3edad059262f3462a7c4ebc3f5de8a01184b8bdac6df8afae540ae64e7d8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-20T04:08:54Z",
    "title_canon_sha256": "86a7b9b479c3cd5a9997b08c4bdca680d882315b12107e1165f67c2101437b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5166",
    "kind": "arxiv",
    "version": 1
  }
}