Pith Number

pith:G4WEYKJT

pith:2018:G4WEYKJTRSQ6H2D367JCEVOZTB

not attested not anchored not stored refs pending

Can a bright and energetic X-ray pulsar be hiding amid the debris of SN 1987A?

D. Lazzati, J. A. Pons, M. Matsuura, N. Rea, P. Esposito, R. Perna

arxiv:1803.04692 v1 · 2018-03-13 · 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{G4WEYKJTRSQ6H2D367JCEVOZTB}

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	2026-05-18T00:18:25.154426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372c4c29338ca1e3e87bf7d22255d998454bf808be1d3ac03602bb5b92615622

Aliases

arxiv: 1803.04692 · arxiv_version: 1803.04692v1 · doi: 10.48550/arxiv.1803.04692 · pith_short_12: G4WEYKJTRSQ6 · pith_short_16: G4WEYKJTRSQ6H2D3 · pith_short_8: G4WEYKJT

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/G4WEYKJTRSQ6H2D367JCEVOZTB \
  | 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: 372c4c29338ca1e3e87bf7d22255d998454bf808be1d3ac03602bb5b92615622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620ecc15ff32a03d607bc20519d9e195acb0bc109c5abeaf18d99d8f4c181dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-13T09:20:07Z",
    "title_canon_sha256": "068c082a4ee84de7ba38d06abfc9736305d0d5e118050f9ef345c2c0d878495f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04692",
    "kind": "arxiv",
    "version": 1
  }
}