Pith Number

pith:AYNAA6IP

pith:2021:AYNAA6IPAFGVWO7RBMHZRR6SQG

not attested not anchored not stored refs pending

The black hole masses of extremely luminous radio-WISE selected galaxies

A. Kimball, A. Sajina, A. Silva, A. W. Blain, C-W. Tsai, D. Stern, D. Wylezalek, E. R. Ferris, M. Kim, N. A. Hatch, R.J. Assef, T. Diaz-Santos

arxiv:2101.02101 v2 · 2021-01-06 · 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{AYNAA6IPAFGVWO7RBMHZRR6SQG}

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	2026-07-05T02:07:54.225610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061a00790f014d5b3bf10b0f98c7d2818c1ecb4c634bc6ed3da287fbfaed764f

Aliases

arxiv: 2101.02101 · arxiv_version: 2101.02101v2 · doi: 10.48550/arxiv.2101.02101 · pith_short_12: AYNAA6IPAFGV · pith_short_16: AYNAA6IPAFGVWO7R · pith_short_8: AYNAA6IP

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/AYNAA6IPAFGVWO7RBMHZRR6SQG \
  | 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: 061a00790f014d5b3bf10b0f98c7d2818c1ecb4c634bc6ed3da287fbfaed764f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f9e714f5f529628080dcfa5bd5fed64ebb3467765934180d2c291dc0441feb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-06T15:46:00Z",
    "title_canon_sha256": "fdc63c2f8e25581151bd171acc7d4a71c13ed92cb51997e5a26fa1db39d4f170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02101",
    "kind": "arxiv",
    "version": 2
  }
}