Pith Number

pith:2KYTHN2Q

pith:1999:2KYTHN2Q4UY6OE4XYV4Z4DY3YB

not attested not anchored not stored refs pending

The SBF Survey of Galaxy Distances. II. Local and Large-Scale Flows

Alan Dressler (OCIW), Edward A. Ajhar (NOAO), John L. Tonry (IFA), John P. Blakeslee (Caltech)

arxiv:astro-ph/9907062 v1 · 1999-07-05 · 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{2KYTHN2Q4UY6OE4XYV4Z4DY3YB}

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	2026-05-18T04:37:11.797768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b133b750e531e71397c5799e0f1bc073cf319b700f3e6cea1afd9c9bee917d

Aliases

arxiv: astro-ph/9907062 · arxiv_version: astro-ph/9907062v1 · doi: 10.48550/arxiv.astro-ph/9907062 · pith_short_12: 2KYTHN2Q4UY6 · pith_short_16: 2KYTHN2Q4UY6OE4X · pith_short_8: 2KYTHN2Q

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/2KYTHN2Q4UY6OE4XYV4Z4DY3YB \
  | 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: d2b133b750e531e71397c5799e0f1bc073cf319b700f3e6cea1afd9c9bee917d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afadd2e6afb9b6adae3c955d5905f8824992f01fd18a5771d00ffc8454ee49b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-05T23:04:04Z",
    "title_canon_sha256": "54cb4c208510a70208365b11db3ccbbe48308d190789882f26088badca11a616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907062",
    "kind": "arxiv",
    "version": 1
  }
}