Pith Number

pith:2CYXQHKJ

pith:2004:2CYXQHKJEY4HNPLJXKLJ5MNZMI

not attested not anchored not stored refs pending

Observational Signature of Tidal Disruption of a Star by a Massive Black Hole

Michael Eracleous, Pablo Laguna, Steinn Sigurdsson, Suvrath Mahadevan, Tamara Bogdanovic

arxiv:astro-ph/0404238 v1 · 2004-04-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CYXQHKJEY4HNPLJXKLJ5MNZMI}

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	2026-07-04T16:43:33.763094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b1781d49263876bd69ba969eb1b962037ddff6564a39a91d5e5e498b143368

Aliases

arxiv: astro-ph/0404238 · arxiv_version: astro-ph/0404238v1 · doi: 10.48550/arxiv.astro-ph/0404238 · pith_short_12: 2CYXQHKJEY4H · pith_short_16: 2CYXQHKJEY4HNPLJ · pith_short_8: 2CYXQHKJ

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/2CYXQHKJEY4HNPLJXKLJ5MNZMI \
  | 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: d0b1781d49263876bd69ba969eb1b962037ddff6564a39a91d5e5e498b143368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a322b8c728c9ff37dd61de1aee50cd29dc51527a4015975928b36c8fd86fc03d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-12T22:52:34Z",
    "title_canon_sha256": "dbb32b6f58c7ab8dc68e19bd0c93686a40a0b26773a1bb3da751fc6d53fa4e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404238",
    "kind": "arxiv",
    "version": 1
  }
}