Pith Number

pith:N3OIFQHG

pith:2016:N3OIFQHGG44W555OUGSHS2LFE4

not attested not anchored not stored refs pending

A Reverberation-Based Black Hole Mass for MCG-06-30-15

Benjamin Ou-Yang, D. Michael Crenshaw, Edward M. Cackett, Keith Horne, Misty C. Bentz, Rachel Street

arxiv:1608.01229 v1 · 2016-08-03 · 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{N3OIFQHGG44W555OUGSHS2LFE4}

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	2026-05-18T01:01:22.728598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6edc82c0e637396ef7aea1a47969652732acdcadf37f1788ba80862c83bea339

Aliases

arxiv: 1608.01229 · arxiv_version: 1608.01229v1 · doi: 10.48550/arxiv.1608.01229 · pith_short_12: N3OIFQHGG44W · pith_short_16: N3OIFQHGG44W555O · pith_short_8: N3OIFQHG

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/N3OIFQHGG44W555OUGSHS2LFE4 \
  | 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: 6edc82c0e637396ef7aea1a47969652732acdcadf37f1788ba80862c83bea339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b17c1bc6a9535a7f234eb90e46c781e9b6cf6c225ea436dad89f94b230166f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-03T15:47:57Z",
    "title_canon_sha256": "77e7bb123372bd06b4fcd7688152dc42a59bc23b6806c40cdf0f88fa498e8dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01229",
    "kind": "arxiv",
    "version": 1
  }
}