Pith Number

pith:MYFIBDOP

pith:2023:MYFIBDOPQPC6YDCEFXLUSS3Q6R

not attested not anchored not stored refs pending

Estimating Black Hole Spin from AGN SED Fitting: The Impact of General-Relativistic Ray Tracing

Chris Done (1) ((1) Durham-CEA), Scott Hagen (1)

arxiv:2304.01253 v2 · 2023-04-03 · astro-ph.HE · 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{MYFIBDOPQPC6YDCEFXLUSS3Q6R}

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.

Cited by

1 paper in Pith

The Dependence of the Mean Spectral Energy Distributions on the Accretion Rate for Quasars with $z < 0.75$ from the Sloan Digital Sky Survey

Receipt and verification

First computed	2026-07-05T06:42:04.912336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

660a808dcf83c5ec0c442dd7494b70f466573abee75e01db1a98dc02794c3933

Aliases

arxiv: 2304.01253 · arxiv_version: 2304.01253v2 · doi: 10.48550/arxiv.2304.01253 · pith_short_12: MYFIBDOPQPC6 · pith_short_16: MYFIBDOPQPC6YDCE · pith_short_8: MYFIBDOP

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/MYFIBDOPQPC6YDCEFXLUSS3Q6R \
  | 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: 660a808dcf83c5ec0c442dd7494b70f466573abee75e01db1a98dc02794c3933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed16e5ca146aa01de5a10f55084ee424edebf1ef140dd2e6ba9f5a7f880f9f2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-04-03T18:00:02Z",
    "title_canon_sha256": "e4a5ae7ad6673d94839622fefc85020dd0852014fe96fb40f40c0b35a13f3f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01253",
    "kind": "arxiv",
    "version": 2
  }
}