Pith Number

pith:N74Y4FOB

pith:1995:N74Y4FOBSEK7EAESCMZZ5NSQQT

not attested not anchored not stored refs pending

The Disruption of the Sagittarius Dwarf Galaxy.

David N. Spergel, Kathryn V. Johnston, Lars Hernquist

arxiv:astro-ph/9502005 v1 · 1995-02-02 · 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{N74Y4FOBSEK7EAESCMZZ5NSQQT}

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.

Cited by

1 paper in Pith

No Stream Left Unscathed: The imprint of a host galaxy

Receipt and verification

First computed	2026-05-18T01:07:42.465942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff98e15c19115f2009213339eb65084dd8793c886cd9b2604a0c812d8ed43a0

Aliases

arxiv: astro-ph/9502005 · arxiv_version: astro-ph/9502005v1 · doi: 10.48550/arxiv.astro-ph/9502005 · pith_short_12: N74Y4FOBSEK7 · pith_short_16: N74Y4FOBSEK7EAES · pith_short_8: N74Y4FOB

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/N74Y4FOBSEK7EAESCMZZ5NSQQT \
  | 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: 6ff98e15c19115f2009213339eb65084dd8793c886cd9b2604a0c812d8ed43a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78dc9f98c3918d3310bc0b5e5ef2b2403fb54946f9fd569d56569e147db1903",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-02T01:29:10Z",
    "title_canon_sha256": "681c0c6636abad1307728bf110d8e2dbc586b52bc9aacaaa45b235207847c64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502005",
    "kind": "arxiv",
    "version": 1
  }
}