Pith Number

pith:BCYUMLHQ

pith:2009:BCYUMLHQ2AYVOBL5T5M6SCSALF

not attested not anchored not stored refs pending

Global transient dynamics of three-dimensional hydrodynamical disturbances in a thin viscous accretion disk

Oded Regev, Orkan M. Umurhan, Paola Rebusco, Wlodek Kluzniak

arxiv:0906.0004 v2 · 2009-06-01 · astro-ph.HE · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCYUMLHQ2AYVOBL5T5M6SCSALF}

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	2026-05-18T02:13:30.561638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08b1462cf0d03157057d9f59e90a40595cdaab8d1ceaaf67376b14b46a87c9cf

Aliases

arxiv: 0906.0004 · arxiv_version: 0906.0004v2 · doi: 10.48550/arxiv.0906.0004 · pith_short_12: BCYUMLHQ2AYV · pith_short_16: BCYUMLHQ2AYVOBL5 · pith_short_8: BCYUMLHQ

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/BCYUMLHQ2AYVOBL5T5M6SCSALF \
  | 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: 08b1462cf0d03157057d9f59e90a40595cdaab8d1ceaaf67376b14b46a87c9cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "092b93165a830c946f183625b1863e483a35177a0a985c61f8b5292e764fea7d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-01T16:34:13Z",
    "title_canon_sha256": "16b38fffb19200fd94251f9be3d30c010f6dea3f1f01f8313d4c31fa64376164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0004",
    "kind": "arxiv",
    "version": 2
  }
}