Pith Number

pith:M46KDVK3

pith:1999:M46KDVK3IO377XNXP7H6AFRTBF

not attested not anchored not stored refs pending

Something about the structure of the Galaxy

M. Sevenster

arxiv:astro-ph/9907319 v1 · 1999-07-23 · 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{M46KDVK3IO377XNXP7H6AFRTBF}

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	2026-05-18T01:07:36.261694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

673ca1d55b43b7ffddb77fcfe016330961f8b6a194858537aba55d5ac3a6d83f

Aliases

arxiv: astro-ph/9907319 · arxiv_version: astro-ph/9907319v1 · doi: 10.48550/arxiv.astro-ph/9907319 · pith_short_12: M46KDVK3IO37 · pith_short_16: M46KDVK3IO377XNX · pith_short_8: M46KDVK3

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/M46KDVK3IO377XNXP7H6AFRTBF \
  | 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: 673ca1d55b43b7ffddb77fcfe016330961f8b6a194858537aba55d5ac3a6d83f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb746d175da0b511ccedeeb9f9ab1b127adeb06cb6c7c09dc0688e254ccc49ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-23T13:14:37Z",
    "title_canon_sha256": "2906e5cd9a84efd4c69c8c255eab1196fe8b9461265e798469dd32485dad70ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907319",
    "kind": "arxiv",
    "version": 1
  }
}