Pith Number

pith:GHLY4P2K

pith:2006:GHLY4P2KVNTVDCCZGJIITL6XE6

not attested not anchored not stored refs pending

Convective cooling and fragmentation of gravitationally unstable disks

Roman R. Rafikov (CITA)

arxiv:astro-ph/0609549 v1 · 2006-09-20 · 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{GHLY4P2KVNTVDCCZGJIITL6XE6}

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	2026-05-18T04:28:57.657430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d78e3f4aab67518859325089afd7278ddd4950ab23827fc187719816048b84

Aliases

arxiv: astro-ph/0609549 · arxiv_version: astro-ph/0609549v1 · doi: 10.48550/arxiv.astro-ph/0609549 · pith_short_12: GHLY4P2KVNTV · pith_short_16: GHLY4P2KVNTVDCCZ · pith_short_8: GHLY4P2K

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/GHLY4P2KVNTVDCCZGJIITL6XE6 \
  | 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: 31d78e3f4aab67518859325089afd7278ddd4950ab23827fc187719816048b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13ea96e05cd2abb17e2c956a7d8be36f710c4030832c6bbfc76bd8e624050538",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-20T16:21:44Z",
    "title_canon_sha256": "461d5450277d0591f603321b9e9f51fc47d5163c1ebec7c9302ca9a64a5d5780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609549",
    "kind": "arxiv",
    "version": 1
  }
}