Pith Number

pith:EGLHWI3I

pith:2018:EGLHWI3IXO7O5DR4NJZQPNWLN5

not attested not anchored not stored refs pending

Recoiling supermassive black hole in changing-look AGN Mrk 1018

A. Evans, D.-C. Kim, I. Yoon

arxiv:1805.05251 v1 · 2018-05-14 · 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{EGLHWI3IXO7O5DR4NJZQPNWLN5}

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	2026-05-18T00:10:37.611039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21967b2368bbbeee8e3c6a7307b6cb6f61d51337a5e120ea7529ef57588aa7c6

Aliases

arxiv: 1805.05251 · arxiv_version: 1805.05251v1 · doi: 10.48550/arxiv.1805.05251 · pith_short_12: EGLHWI3IXO7O · pith_short_16: EGLHWI3IXO7O5DR4 · pith_short_8: EGLHWI3I

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/EGLHWI3IXO7O5DR4NJZQPNWLN5 \
  | 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: 21967b2368bbbeee8e3c6a7307b6cb6f61d51337a5e120ea7529ef57588aa7c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8da68ab8d5dc9d3ffa647c6e0ba754a3904e237988a7ca6b6b83481ee2a7626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-14T16:00:21Z",
    "title_canon_sha256": "e9e1c4d68444a2cb39cdfca73248f6928ddda1dc6d38d570197a9ca02320040f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05251",
    "kind": "arxiv",
    "version": 1
  }
}