Pith Number

pith:43FDNXJJ

pith:1997:43FDNXJJNF55G5LZVLC3HFALQN

not attested not anchored not stored refs pending

Some Effects of Galaxy Structure and Dynamics on the Fundamental Plane

Alister Graham, Matthew Colless

arxiv:astro-ph/9701020 v1 · 1997-01-07 · 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{43FDNXJJNF55G5LZVLC3HFALQN}

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	2026-05-18T01:40:18.441854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ca36dd29697bd37579aac5b3940b8359fa4265794b11bba21ebe66e7ae8318

Aliases

arxiv: astro-ph/9701020 · arxiv_version: astro-ph/9701020v1 · doi: 10.48550/arxiv.astro-ph/9701020 · pith_short_12: 43FDNXJJNF55 · pith_short_16: 43FDNXJJNF55G5LZ · pith_short_8: 43FDNXJJ

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/43FDNXJJNF55G5LZVLC3HFALQN \
  | 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: e6ca36dd29697bd37579aac5b3940b8359fa4265794b11bba21ebe66e7ae8318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ca7af51874babe611d5e6858d351a10b00dcec3dc823d2196d455e23f97c1d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-07T00:18:33Z",
    "title_canon_sha256": "228319618f485830301acf5aaa2163307363e02776cc60ebc385647882b70073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701020",
    "kind": "arxiv",
    "version": 1
  }
}