Pith Number

pith:JKG2DSJY

pith:2005:JKG2DSJY55VJ7Q6X5EDVH7TWDU

not attested not anchored not stored refs pending

The Milky Way and the Tully-Fisher relation

C. Flynn, J. Holmberg, L. Portinari

arxiv:astro-ph/0510515 v1 · 2005-10-18 · 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{JKG2DSJY55VJ7Q6X5EDVH7TWDU}

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	2026-05-18T01:40:33.238790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a8da1c938ef6a9fc3d7e90753fe761d1d4479bc3ad44b4b0a4a356b40b8f214

Aliases

arxiv: astro-ph/0510515 · arxiv_version: astro-ph/0510515v1 · doi: 10.48550/arxiv.astro-ph/0510515 · pith_short_12: JKG2DSJY55VJ · pith_short_16: JKG2DSJY55VJ7Q6X · pith_short_8: JKG2DSJY

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/JKG2DSJY55VJ7Q6X5EDVH7TWDU \
  | 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: 4a8da1c938ef6a9fc3d7e90753fe761d1d4479bc3ad44b4b0a4a356b40b8f214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446396c5ff4cbdf7ec71d777758c9b55c2391dbd3b1e96a28ce656a59963c6c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-18T10:52:52Z",
    "title_canon_sha256": "94f9d075a17b48961f8ee444bf0400515518de0cde0004852f9763c817a8f183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510515",
    "kind": "arxiv",
    "version": 1
  }
}