Pith Number

pith:ZDLEITGS

pith:2017:ZDLEITGSF52KVHJSVU4M4F6HU2

not attested not anchored not stored refs pending

The supermassive black hole coincident with the luminous transient ASASSN-15lh

A. Mehner, A. Nicuesa Guelbenzu, D. A. Kann, G. Leloudas, H. Kuncarayakti, J. Hjorth, M. Fraser, N. C. Stone, P. G. Jonker, R. Amorin, S. Kim, S. Schulze, S. van Velzen, T. Kr\"uhler

arxiv:1710.01045 v2 · 2017-10-03 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDLEITGSF52KVHJSVU4M4F6HU2}

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	2026-05-18T00:23:32.793532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d6444cd22f74aa9d32ad38ce17c7a6926464c679b755682d06d462d736a7b5

Aliases

arxiv: 1710.01045 · arxiv_version: 1710.01045v2 · doi: 10.48550/arxiv.1710.01045 · pith_short_12: ZDLEITGSF52K · pith_short_16: ZDLEITGSF52KVHJS · pith_short_8: ZDLEITGS

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/ZDLEITGSF52KVHJSVU4M4F6HU2 \
  | 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: c8d6444cd22f74aa9d32ad38ce17c7a6926464c679b755682d06d462d736a7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae50c128a80e34234474cee72710c8b428768d7954b3b4b082dd3c37da38fdd1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-03T09:23:50Z",
    "title_canon_sha256": "f85db36bfe28310e9ef1155fa3e73d7c548ed05f9916a471ebf3689810908c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01045",
    "kind": "arxiv",
    "version": 2
  }
}