Pith Number

pith:CTH3TLFF

pith:2015:CTH3TLFFPGJVOLVGCLQ3DRI4NK

not attested not anchored not stored refs pending

A 400 solar mass black hole in the Ultraluminous X-ray source M82 X-1 accreting close to its Eddington limit

Dheeraj R. Pasham (NASA/GSFC), Richard F. Mushotzky (UMD), Tod E. Strohmayer (NASA/GSFC)

arxiv:1501.03180 v1 · 2015-01-13 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTH3TLFFPGJVOLVGCLQ3DRI4NK}

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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

Disformal Kerr Imprints on BHL Accretion: Shock Morphology, PSD Signatures, and Observational QPO Counterparts

Receipt and verification

First computed	2026-05-18T02:29:24.521327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14cfb9aca57993572ea612e1b1c51c6abe27e6f5fcd6e61fcfff937203f519b3

Aliases

arxiv: 1501.03180 · arxiv_version: 1501.03180v1 · doi: 10.48550/arxiv.1501.03180 · pith_short_12: CTH3TLFFPGJV · pith_short_16: CTH3TLFFPGJVOLVG · pith_short_8: CTH3TLFF

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/CTH3TLFFPGJVOLVGCLQ3DRI4NK \
  | 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: 14cfb9aca57993572ea612e1b1c51c6abe27e6f5fcd6e61fcfff937203f519b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9c6f4a4c45364963d00da4d16cf19a43c28aa66f3ae97a77c73da9997433b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-13T21:27:22Z",
    "title_canon_sha256": "e2d0661d87868a7b4e80590e59d082ce147ced16709452c32b44690a3d41ba1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03180",
    "kind": "arxiv",
    "version": 1
  }
}