Pith Number

pith:WTS25ENZ

pith:2018:WTS25ENZ3KEE2WKF3WTKS5GIKJ

not attested not anchored not stored refs pending

A lower limit to the accretion disc radius in the low-luminosity AGN NGC 1052 derived from high-angular resolution data

Juan A. Fern\'andez-Ontiveros, Klaus Dolag, Lennart Reb, M. Almudena Prieto

arxiv:1805.02657 v1 · 2018-05-07 · astro-ph.GA · 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{WTS25ENZ3KEE2WKF3WTKS5GIKJ}

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	2026-05-18T00:16:36.034691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e5ae91b9da884d5945dda6a974c852797cd1a505b2d1cab301ae5c92aedc1e

Aliases

arxiv: 1805.02657 · arxiv_version: 1805.02657v1 · doi: 10.48550/arxiv.1805.02657 · pith_short_12: WTS25ENZ3KEE · pith_short_16: WTS25ENZ3KEE2WKF · pith_short_8: WTS25ENZ

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/WTS25ENZ3KEE2WKF3WTKS5GIKJ \
  | 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: b4e5ae91b9da884d5945dda6a974c852797cd1a505b2d1cab301ae5c92aedc1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183ba81a5544009c9ffd8fa049ce8791dbda467840d5bd51a97ab64751560d01",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-07T18:00:00Z",
    "title_canon_sha256": "0a8d7e6c7a62dbe71b74d91c2947e08fb62d101611b44d68561b852f23fa76c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02657",
    "kind": "arxiv",
    "version": 1
  }
}