Pith Number

pith:4NILGXOV

pith:2000:4NILGXOVFJ6JLFOJ7K5VJOXYD4

not attested not anchored not stored refs pending

Galaxy Groups at Intermediate Redshift

C. W. Shepherd, D. R. Patton, H. K. C. Yee, H. Lin, M. Sawicki, P. B. Hall, R. G. Carlberg, S. L. Morris

arxiv:astro-ph/0008201 v1 · 2000-08-14 · 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{4NILGXOVFJ6JLFOJ7K5VJOXYD4}

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	2026-05-18T01:07:46.490215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e350b35dd52a7c9595c9fabb54baf81f2f6f4a5772247efcb535ea20563a5df5

Aliases

arxiv: astro-ph/0008201 · arxiv_version: astro-ph/0008201v1 · doi: 10.48550/arxiv.astro-ph/0008201 · pith_short_12: 4NILGXOVFJ6J · pith_short_16: 4NILGXOVFJ6JLFOJ · pith_short_8: 4NILGXOV

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/4NILGXOVFJ6JLFOJ7K5VJOXYD4 \
  | 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: e350b35dd52a7c9595c9fabb54baf81f2f6f4a5772247efcb535ea20563a5df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27001a521a593d2e875e850b2757c9e70f9ecfa7f31d460e99c8c146115a184b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-14T16:40:45Z",
    "title_canon_sha256": "03bc2197e86dfc7456bc273f5991a2dbb1537809572bab3c0efb7d2e90412b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008201",
    "kind": "arxiv",
    "version": 1
  }
}