Pith Number

pith:SCX2BSCE

pith:2016:SCX2BSCE3IWPUEPLC7W7S33XEB

not attested not anchored not stored refs pending

The Megamaser Cosmology Project.IX. Black hole masses for three maser galaxies

C. Henkel, C. M. V. Impellizzeri, C. Y. Kuo, D. W. Pesce, F. Gao, J. A. Braatz, J. E. Greene, J. J. Condon, J. Wagner, K. Y. Lo, M. J. Reid, W. Zhao

arxiv:1610.06802 v1 · 2016-10-21 · 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{SCX2BSCE3IWPUEPLC7W7S33XEB}

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	2026-05-18T00:53:29.847638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90afa0c844da2cfa11eb17edf96f7720485a608fcf40ab5985b766eb136c1423

Aliases

arxiv: 1610.06802 · arxiv_version: 1610.06802v1 · doi: 10.48550/arxiv.1610.06802 · pith_short_12: SCX2BSCE3IWP · pith_short_16: SCX2BSCE3IWPUEPL · pith_short_8: SCX2BSCE

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/SCX2BSCE3IWPUEPLC7W7S33XEB \
  | 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: 90afa0c844da2cfa11eb17edf96f7720485a608fcf40ab5985b766eb136c1423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b73a9102ff5ca80827b6f2de71361484cc8fc4bdf938fe9911d2c668507460",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-21T14:27:01Z",
    "title_canon_sha256": "4dc37aec78bc588a32e528eae8542068b13ea5bd65bafdaf1b180f19e07ab4ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06802",
    "kind": "arxiv",
    "version": 1
  }
}