Pith Number

pith:4L2J3FW6

pith:2001:4L2J3FW6LKWZOWCYOMJDH4G5WR

not attested not anchored not stored refs pending

Slim Disk: Viscosity Prescriptions and Observational Implications

Ken-Ya Watarai, Shin Mineshige

arxiv:astro-ph/0109019 v1 · 2001-09-03 · 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{4L2J3FW6LKWZOWCYOMJDH4G5WR}

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	2026-05-18T01:40:44.192294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f49d96de5aad975858731233f0ddb44964e07d322748e9a1e6fa4ea79029d1

Aliases

arxiv: astro-ph/0109019 · arxiv_version: astro-ph/0109019v1 · doi: 10.48550/arxiv.astro-ph/0109019 · pith_short_12: 4L2J3FW6LKWZ · pith_short_16: 4L2J3FW6LKWZOWCY · pith_short_8: 4L2J3FW6

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/4L2J3FW6LKWZOWCYOMJDH4G5WR \
  | 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: e2f49d96de5aad975858731233f0ddb44964e07d322748e9a1e6fa4ea79029d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3799706595353a32c28d627a3bf278d3a77e60676990de157514ea601906d95f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-03T09:16:31Z",
    "title_canon_sha256": "d2ab089a344061d8ae4ca8af9d356c0ded94c88d100387e6edd91f57c2d961b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109019",
    "kind": "arxiv",
    "version": 1
  }
}