Pith Number

pith:XYJNLLQM

pith:2018:XYJNLLQM3KORVSSZGVPFBIWD3G

not attested not anchored not stored refs pending

The supernova rate beyond the optical radius

Alexei Filippenko, Benjamin Lewis, Brennan Dell, Christopher McKee, Or Graur, Sukanya Chakrabarti

arxiv:1807.07585 v1 · 2018-07-19 · 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{XYJNLLQM3KORVSSZGVPFBIWD3G}

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	2026-05-18T00:08:05.851376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be12d5ae0cda9d1aca59355e50a2c3d9a7b082f942bfc50d4fafa1ff0952a27c

Aliases

arxiv: 1807.07585 · arxiv_version: 1807.07585v1 · doi: 10.48550/arxiv.1807.07585 · pith_short_12: XYJNLLQM3KOR · pith_short_16: XYJNLLQM3KORVSSZ · pith_short_8: XYJNLLQM

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/XYJNLLQM3KORVSSZGVPFBIWD3G \
  | 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: be12d5ae0cda9d1aca59355e50a2c3d9a7b082f942bfc50d4fafa1ff0952a27c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b775c35b9cadabfe8501505960d2a5c6bc0649a893988155a802cfc15d55d745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-19T18:01:19Z",
    "title_canon_sha256": "61ddae5a418f6e0506cccfd6db6dbeabb9d5f0fc1eb0f7b7fa82c7b4daed4fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07585",
    "kind": "arxiv",
    "version": 1
  }
}