Pith Number

pith:E4MBT47T

pith:2015:E4MBT47TVZCSO7H3FRHYGZQ5WV

not attested not anchored not stored refs pending

Scaling of the photon index vs mass accretion rate correlation and estimate of black hole mass in M101 ULX-1

Elena Seifina (Moscow State University/Sternberg Astronomical Institute, Italy, Lev Titarchuk (University of Ferrara, Moscow, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russia)

arxiv:1510.06978 v1 · 2015-10-23 · 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{E4MBT47TVZCSO7H3FRHYGZQ5WV}

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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.

Receipt and verification

First computed	2026-05-18T01:23:54.882605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271819f3f3ae45277cfb2c4f83661db55ce8ca6ca2a43d1df5ab9e731ffaf2e1

Aliases

arxiv: 1510.06978 · arxiv_version: 1510.06978v1 · doi: 10.48550/arxiv.1510.06978 · pith_short_12: E4MBT47TVZCS · pith_short_16: E4MBT47TVZCSO7H3 · pith_short_8: E4MBT47T

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/E4MBT47TVZCSO7H3FRHYGZQ5WV \
  | 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: 271819f3f3ae45277cfb2c4f83661db55ce8ca6ca2a43d1df5ab9e731ffaf2e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba33f634ce342badd696c7bf87dcfbea32ae0be4b49038ce52b8f8f910253d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-23T15:59:13Z",
    "title_canon_sha256": "eeb2f3746f4375979786be0ac56cbc596f1143a33843bb45b5c2c69016701688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06978",
    "kind": "arxiv",
    "version": 1
  }
}