Pith Number

pith:EKBPSERY

pith:2016:EKBPSERYJMYWWKORHJXRYIVGJR

not attested not anchored not stored refs pending

Black Hole Mass Estimation: How good is the virial estimate?

Anthea L. King, Rachel L. Webster, Suk Yee Yong

arxiv:1602.04672 v1 · 2016-02-15 · astro-ph.GA · 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{EKBPSERYJMYWWKORHJXRYIVGJR}

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	2026-05-18T01:18:37.356260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2282f912384b316b29d13a6f1c22a64c4e0d3bdc7c52578a517000e9c5715da8

Aliases

arxiv: 1602.04672 · arxiv_version: 1602.04672v1 · doi: 10.48550/arxiv.1602.04672 · pith_short_12: EKBPSERYJMYW · pith_short_16: EKBPSERYJMYWWKOR · pith_short_8: EKBPSERY

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/EKBPSERYJMYWWKORHJXRYIVGJR \
  | 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: 2282f912384b316b29d13a6f1c22a64c4e0d3bdc7c52578a517000e9c5715da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d14a1d8b57027ccab5fa343e3d1aef333278aae950f4641af7dbacdb028752f7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-15T13:47:23Z",
    "title_canon_sha256": "057e0a0978377a4633c523364944a4fc9879924f22e3f92f8f2283260a4cf135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04672",
    "kind": "arxiv",
    "version": 1
  }
}