Pith Number

pith:OYE62TSF

pith:2011:OYE62TSFITLY5F7U7SBOQ4D44Z

not attested not anchored not stored refs pending

On the gravitational stability of a galactic disc as a two-fluid system

Fazeleh Khajenabi, Mohsen Shadmehri

arxiv:1112.2660 v1 · 2011-12-12 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYE62TSFITLY5F7U7SBOQ4D44Z}

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	2026-05-18T01:59:11.586509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7609ed4e4544d78e97f4fc82e8707ce67f85f683999f0ad61e8883018c7f5e63

Aliases

arxiv: 1112.2660 · arxiv_version: 1112.2660v1 · doi: 10.48550/arxiv.1112.2660 · pith_short_12: OYE62TSFITLY · pith_short_16: OYE62TSFITLY5F7U · pith_short_8: OYE62TSF

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/OYE62TSFITLY5F7U7SBOQ4D44Z \
  | 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: 7609ed4e4544d78e97f4fc82e8707ce67f85f683999f0ad61e8883018c7f5e63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2234b3256b88a183f6a96568ca0c8f4353657f83eef1a613ab0cdb0295c8591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-12T19:20:06Z",
    "title_canon_sha256": "8602f0fd40053e149ba55c153af44859441e8666994f9f58f83b114fbe38cc5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2660",
    "kind": "arxiv",
    "version": 1
  }
}