Pith Number

pith:KZY323ZS

pith:2013:KZY323ZSQSL6JI76JCZ5BJTETS

not attested not anchored not stored refs pending

Puzzling accretion onto a black hole in the ultraluminous X-ray source M101 ULX-1

Jifeng Liu, Joel N. Bregman, Paul Crowther, Stephen Justham, Yu Bai

arxiv:1312.0337 v1 · 2013-12-02 · 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{KZY323ZSQSL6JI76JCZ5BJTETS}

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	2026-05-18T03:05:46.025246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5671bd6f328497e4a3fe48b3d0a6649c8d9633c475b4f4e95630f961af40b58e

Aliases

arxiv: 1312.0337 · arxiv_version: 1312.0337v1 · doi: 10.48550/arxiv.1312.0337 · pith_short_12: KZY323ZSQSL6 · pith_short_16: KZY323ZSQSL6JI76 · pith_short_8: KZY323ZS

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/KZY323ZSQSL6JI76JCZ5BJTETS \
  | 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: 5671bd6f328497e4a3fe48b3d0a6649c8d9633c475b4f4e95630f961af40b58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "119072fd5697f549923ca83e9b94ceb57488d7e35b3dc225e99d7b62d9263ed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-12-02T06:24:36Z",
    "title_canon_sha256": "94555db4fbff858d9b93178aeb790baa2a2f4b38cf223a16a2901bce469ce619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0337",
    "kind": "arxiv",
    "version": 1
  }
}