Pith Number

pith:65ILCLOK

pith:2019:65ILCLOKUGQPJYPAE4JYGLM65U

not attested not anchored not stored refs pending

The flickering nuclear activity of Fornax A

A. Ramaila, D. A. Prokhorov, D. Cs. Moln\'ar, D. Kleiner, F. Govoni, F. M. Maccagni, G. I. J. J\'ozsa, K. Morokuma-Matsui, K. Thorat, M. Murgia, M. Ramatsoku, O. Smirnov, P. Kamphuis, P. Serra, S. Buchner, S. Makhathini

arxiv:1911.09424 v1 · 2019-11-21 · 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{65ILCLOKUGQPJYPAE4JYGLM65U}

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	2026-07-05T00:37:00.825308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f750b12dcaa1a0f4e1e02713832d9eed184ae6c81574446d6eb013277e827369

Aliases

arxiv: 1911.09424 · arxiv_version: 1911.09424v1 · doi: 10.48550/arxiv.1911.09424 · pith_short_12: 65ILCLOKUGQP · pith_short_16: 65ILCLOKUGQPJYPA · pith_short_8: 65ILCLOK

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/65ILCLOKUGQPJYPAE4JYGLM65U \
  | 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: f750b12dcaa1a0f4e1e02713832d9eed184ae6c81574446d6eb013277e827369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913b6d880eff7f66ba16ec819c5f94a064d5feac95093da992e47ee651b696da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-21T11:50:57Z",
    "title_canon_sha256": "e79bc516d135d29c897c3fec4e4ec2bb45942ccf7a9a1c03e31dc00fef926d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09424",
    "kind": "arxiv",
    "version": 1
  }
}