Pith Number

pith:BOVC63WM

pith:1997:BOVC63WMHU7RVOLENH653LVM5U

not attested not anchored not stored refs pending

Inside-out Galaxy Formation

Jeremy Kepner

arxiv:astro-ph/9710329 v2 · 1997-10-29 · 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{BOVC63WMHU7RVOLENH653LVM5U}

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	2026-05-18T02:03:45.611478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0baa2f6ecc3d3f1ab96469fdddaeaced3806a1eab4fbbc7acc8d4d68f8ea3e91

Aliases

arxiv: astro-ph/9710329 · arxiv_version: astro-ph/9710329v2 · doi: 10.48550/arxiv.astro-ph/9710329 · pith_short_12: BOVC63WMHU7R · pith_short_16: BOVC63WMHU7RVOLE · pith_short_8: BOVC63WM

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/BOVC63WMHU7RVOLENH653LVM5U \
  | 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: 0baa2f6ecc3d3f1ab96469fdddaeaced3806a1eab4fbbc7acc8d4d68f8ea3e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f34008b1a81813d4b3037f6637962734189ad88181ab06e0f413d7ebe2a1ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-29T00:14:42Z",
    "title_canon_sha256": "642092ff6e0688953a221c531be1d76fef435bc3c11477da9207d41185b9c61f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710329",
    "kind": "arxiv",
    "version": 2
  }
}