Pith Number

pith:GFAPPU3C

pith:1999:GFAPPU3CJ5FMMV4D2DPT2CRALC

not attested not anchored not stored refs pending

Kinematic Disturbances in Optical Rotation Curves among 89 Virgo Disk Galaxies

Andrew H. Waterman, Jeffrey D. P. Kenney, Vera C. Rubin

arxiv:astro-ph/9904050 v1 · 1999-04-03 · 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{GFAPPU3CJ5FMMV4D2DPT2CRALC}

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	2026-05-18T04:37:11.814436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3140f7d3624f4ac65783d0df3d0a20588b04f6f7f55bb82fa6a74dcd876b9973

Aliases

arxiv: astro-ph/9904050 · arxiv_version: astro-ph/9904050v1 · doi: 10.48550/arxiv.astro-ph/9904050 · pith_short_12: GFAPPU3CJ5FM · pith_short_16: GFAPPU3CJ5FMMV4D · pith_short_8: GFAPPU3C

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/GFAPPU3CJ5FMMV4D2DPT2CRALC \
  | 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: 3140f7d3624f4ac65783d0df3d0a20588b04f6f7f55bb82fa6a74dcd876b9973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3417139853dbb31bbc5120e55dd96486e0655b89aeaf59c6f4415544c40e6ad2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-03T21:35:27Z",
    "title_canon_sha256": "b4367979476d6c3e6e48d694d224bdc64b3dcdd58703450560e2bea4c630d69c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904050",
    "kind": "arxiv",
    "version": 1
  }
}