Pith Number

pith:KNENNJD5

pith:2005:KNENNJD5HORAVJKRERQNTTTFXH

not attested not anchored not stored refs pending

Pattern Speeds of Spiral Galaxies Using the Tremaine-Weinberg Method

R. J. Rand, S. E. Meidt

arxiv:astro-ph/0509763 v1 · 2005-09-26 · 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{KNENNJD5HORAVJKRERQNTTTFXH}

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	2026-05-18T01:07:26.732827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5348d6a47d3ba20aa5512460d9ce65b9c898fcfbdc6f9e4bb80eb231e5b2e494

Aliases

arxiv: astro-ph/0509763 · arxiv_version: astro-ph/0509763v1 · doi: 10.48550/arxiv.astro-ph/0509763 · pith_short_12: KNENNJD5HORA · pith_short_16: KNENNJD5HORAVJKR · pith_short_8: KNENNJD5

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/KNENNJD5HORAVJKRERQNTTTFXH \
  | 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: 5348d6a47d3ba20aa5512460d9ce65b9c898fcfbdc6f9e4bb80eb231e5b2e494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e1fc6144b2d8446265d328f59dc323e43f17957553062677918bac75d0f123",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-26T17:27:27Z",
    "title_canon_sha256": "63e476618baf128d50cbbcaf4978fd6ac79d4862a72914ecdaff383e64871283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509763",
    "kind": "arxiv",
    "version": 1
  }
}