Pith Number

pith:26A7BJDO

pith:1995:26A7BJDOOFZ42Q6YKS42C2TA5D

not attested not anchored not stored refs pending

Limitation of the Press-Schechter Formalism

M.Nagashima, N.Gouda, T.Yano

arxiv:astro-ph/9504073 v1 · 1995-04-21 · 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{26A7BJDOOFZ42Q6YKS42C2TA5D}

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	2026-05-18T01:07:41.648666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d781f0a46e7173cd43d854b9a16a60e8e8324201a8fc9f2e2b2b3e044c3a7550

Aliases

arxiv: astro-ph/9504073 · arxiv_version: astro-ph/9504073v1 · doi: 10.48550/arxiv.astro-ph/9504073 · pith_short_12: 26A7BJDOOFZ4 · pith_short_16: 26A7BJDOOFZ42Q6Y · pith_short_8: 26A7BJDO

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/26A7BJDOOFZ42Q6YKS42C2TA5D \
  | 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: d781f0a46e7173cd43d854b9a16a60e8e8324201a8fc9f2e2b2b3e044c3a7550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2aa1fa1e27ff37f26d240595e8a1071d617797b191c2e09b76a098f67772387",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-04-21T09:05:57Z",
    "title_canon_sha256": "5cae37399dc6d40ed7c6fe31f9af00dadeb841520d89f4fcd1eeaea600cdc2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9504073",
    "kind": "arxiv",
    "version": 1
  }
}