Pith Number

pith:APMKLXPS

pith:1997:APMKLXPSW2IYNQNH5II2A35FXZ

not attested not anchored not stored refs pending

Luminosity Distributions within Rich Clusters - I: A Ubiquitous Dwarf-Rich Luminosity Function ?

Rodney M. Smith (UWCC), Simon P. Driver (UNSW), Steven Phillipps (Univ. Bristol)

arxiv:astro-ph/9704170 v1 · 1997-04-17 · 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{APMKLXPSW2IYNQNH5II2A35FXZ}

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	2026-05-18T01:40:17.688859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d8a5ddf2b69186c1a7ea11a06fa5be5d25e040c0c63f3bf2d1a22cfb9e35aa

Aliases

arxiv: astro-ph/9704170 · arxiv_version: astro-ph/9704170v1 · doi: 10.48550/arxiv.astro-ph/9704170 · pith_short_12: APMKLXPSW2IY · pith_short_16: APMKLXPSW2IYNQNH · pith_short_8: APMKLXPS

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/APMKLXPSW2IYNQNH5II2A35FXZ \
  | 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: 03d8a5ddf2b69186c1a7ea11a06fa5be5d25e040c0c63f3bf2d1a22cfb9e35aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb739e2e0a240f89dd871c23185612595c167fda10f9577e0acf7c5bef036d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-17T07:48:32Z",
    "title_canon_sha256": "cb8f57cb8b9d4004f6a82522bb48f7cf7e00a662f7c5ba47173d39d03b4445d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704170",
    "kind": "arxiv",
    "version": 1
  }
}