Pith Number

pith:B4JESY3K

pith:2019:B4JESY3K4HORVHDJRUUCDVJEU4

not attested not anchored not stored refs pending

Radio Flares from Collisions of Neutron Stars with Interstellar Asteroids

Abraham Loeb, Amir Siraj

arxiv:1908.11440 v2 · 2019-08-26 · astro-ph.HE · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4JESY3K4HORVHDJRUUCDVJEU4}

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	2026-07-05T00:01:04.432012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1249636ae1dd1a9c698d2821d524a712fc99add29254eb7276adaa1d1f8ffc

Aliases

arxiv: 1908.11440 · arxiv_version: 1908.11440v2 · doi: 10.48550/arxiv.1908.11440 · pith_short_12: B4JESY3K4HOR · pith_short_16: B4JESY3K4HORVHDJ · pith_short_8: B4JESY3K

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/B4JESY3K4HORVHDJRUUCDVJEU4 \
  | 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: 0f1249636ae1dd1a9c698d2821d524a712fc99add29254eb7276adaa1d1f8ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4267f77b053695477e456b1e8df872eea934ade2076d8d512e0c98554b03db41",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-26T18:00:01Z",
    "title_canon_sha256": "fe79925948a1977d15310544b0e057cc6b8737d702a91ce707ef959be4a1bad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11440",
    "kind": "arxiv",
    "version": 2
  }
}