Pith Number

pith:62DCDQN2

pith:2003:62DCDQN2B2WYXA5MLJMWBVWRMJ

not attested not anchored not stored refs pending

The Local Hole in the Galaxy Distribution: New Optical Evidence

G.S. Busswell, N. Metcalfe, P.J. Outram, R. Fong, T. Shanks, W.J. Frith

arxiv:astro-ph/0302330 v1 · 2003-02-17 · 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{62DCDQN2B2WYXA5MLJMWBVWRMJ}

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	2026-05-18T01:07:33.819098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f68621c1ba0ead8b83ac5a5960d6d16245128629444612fdceab29135cecd80d

Aliases

arxiv: astro-ph/0302330 · arxiv_version: astro-ph/0302330v1 · doi: 10.48550/arxiv.astro-ph/0302330 · pith_short_12: 62DCDQN2B2WY · pith_short_16: 62DCDQN2B2WYXA5M · pith_short_8: 62DCDQN2

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/62DCDQN2B2WYXA5MLJMWBVWRMJ \
  | 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: f68621c1ba0ead8b83ac5a5960d6d16245128629444612fdceab29135cecd80d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7a8ddd6340e99e086a91138efecf6f35f70723e20b6e2e623fffa1684658666",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-17T17:20:51Z",
    "title_canon_sha256": "02bd25d857cd15fa2ed54d0423088900d96d7ffe0d17a8ea85d8fe072fd66ed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302330",
    "kind": "arxiv",
    "version": 1
  }
}