Pith Number

pith:V6XIE3UL

pith:1998:V6XIE3ULPAGWSW6FPZQJD6T4X2

not attested not anchored not stored refs pending

Some effects of galaxy structure and dynamics on the Fundamental Plane. II. A Virgo-Fornax distance modulus

Alister W. Graham

arxiv:astro-ph/9801143 v1 · 1998-01-15 · 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{V6XIE3ULPAGWSW6FPZQJD6T4X2}

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	2026-07-04T16:06:05.059153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afae826e8b780d695bc57e6091fa7cbe8577019e147defcc74fd6b4ff846a24d

Aliases

arxiv: astro-ph/9801143 · arxiv_version: astro-ph/9801143v1 · doi: 10.48550/arxiv.astro-ph/9801143 · pith_short_12: V6XIE3ULPAGW · pith_short_16: V6XIE3ULPAGWSW6F · pith_short_8: V6XIE3UL

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/V6XIE3ULPAGWSW6FPZQJD6T4X2 \
  | 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: afae826e8b780d695bc57e6091fa7cbe8577019e147defcc74fd6b4ff846a24d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634d25952da38a4c4f212fee308baeeb94e24de5c11bf10f5ca57a15704caf98",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-15T08:32:25Z",
    "title_canon_sha256": "01b6171cef838a6d7ad829165e5b2d0fcaef4c8296d4e5ef0b16a3a6f26a915a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801143",
    "kind": "arxiv",
    "version": 1
  }
}