Pith Number

pith:XGWLFD3F

pith:2009:XGWLFD3F4TRMJLZRDYZUQWYRVA

not attested not anchored not stored refs pending

Accretion-Driven Turbulence and the Transition to Global Instability in Young Galaxy Disks

(2) University Observatory Munich), Andreas Burkert (2) ((1) IBM T.J. Watson Research Center, Bruce G. Elmegreen (1)

arxiv:0912.0996 v2 · 2009-12-05 · astro-ph.CO · 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{XGWLFD3F4TRMJLZRDYZUQWYRVA}

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	2026-05-18T02:33:57.478076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9acb28f65e4e2c4af311e33485b11a81acaf84507a20ad96236f99f1088d672

Aliases

arxiv: 0912.0996 · arxiv_version: 0912.0996v2 · doi: 10.48550/arxiv.0912.0996 · pith_short_12: XGWLFD3F4TRM · pith_short_16: XGWLFD3F4TRMJLZR · pith_short_8: XGWLFD3F

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/XGWLFD3F4TRMJLZRDYZUQWYRVA \
  | 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: b9acb28f65e4e2c4af311e33485b11a81acaf84507a20ad96236f99f1088d672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21b15709e677fb3d7dd01ed4d2fcc69d2ab5a273bb01206b667a1f85ff1268d7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-05T10:30:05Z",
    "title_canon_sha256": "353189004597eec52199f76214ce9124e09a14d544b2078371a3651cca4e8b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0996",
    "kind": "arxiv",
    "version": 2
  }
}