Pith Number

pith:UERNAMMU

pith:1998:UERNAMMU5CKJ6NMTEUXXEP3QJ6

not attested not anchored not stored refs pending

The disruption of nearby galaxies by the Milky Way

A. E. Wright, B. K. Gibson (MSSSO), B. Koribalski, D. F. Malin, D. G. Barnes, E. M. Sadler, F. Stootman, G. Banks, H. Jerjen, I. Stewart, J. R. Mould, K. C. Freeman, L. Staveley-Smith (ATNF), M. E. Putman, M. J. Disney, P. Henning, P. Knezek, R. A. Vaile, R. Bhatal, R. D. Ekers, R. F. Haynes, R. L. Webster, R. M. Price, S. D. Ryder, T. Oosterloo, V. Kilborn

arxiv:astro-ph/9808023 v1 · 1998-08-04 · 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{UERNAMMU5CKJ6NMTEUXXEP3QJ6}

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	2026-05-18T01:40:13.821653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a122d03194e8949f3593252f723f704fad56bd20db8ac025229affa6843bfa99

Aliases

arxiv: astro-ph/9808023 · arxiv_version: astro-ph/9808023v1 · doi: 10.48550/arxiv.astro-ph/9808023 · pith_short_12: UERNAMMU5CKJ · pith_short_16: UERNAMMU5CKJ6NMT · pith_short_8: UERNAMMU

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/UERNAMMU5CKJ6NMTEUXXEP3QJ6 \
  | 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: a122d03194e8949f3593252f723f704fad56bd20db8ac025229affa6843bfa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7700c065c12b7d29c30c83de020cdb963e09759574efc14f2daa80bc1023eb72",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-08-04T09:26:47Z",
    "title_canon_sha256": "667d7f4890043547ecafcd4972431d82a9a5b05f1b1efcac32994b06f32a7abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9808023",
    "kind": "arxiv",
    "version": 1
  }
}