Pith Number

pith:USIP4NJO

pith:2009:USIP4NJO6GPQUTLZ4PUJPKCJ5N

not attested not anchored not stored refs pending

The Incompressible Navier-Stokes Equations From Black Hole Membrane Dynamics

Christopher Eling, Itzhak Fouxon, Yaron Oz

arxiv:0905.3638 v2 · 2009-05-22 · hep-th · gr-qc · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USIP4NJO6GPQUTLZ4PUJPKCJ5N}

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	2026-07-04T15:53:37.310977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a490fe352ef19f0a4d79e3e897a849eb6528adca8ac7baba570ca1144558a2ec

Aliases

arxiv: 0905.3638 · arxiv_version: 0905.3638v2 · doi: 10.48550/arxiv.0905.3638 · pith_short_12: USIP4NJO6GPQ · pith_short_16: USIP4NJO6GPQUTLZ · pith_short_8: USIP4NJO

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/USIP4NJO6GPQUTLZ4PUJPKCJ5N \
  | 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: a490fe352ef19f0a4d79e3e897a849eb6528adca8ac7baba570ca1144558a2ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8034974137085b44a8bba35bbb745129bd86298690d969ef8967c6574dc029e5",
    "cross_cats_sorted": [
      "gr-qc",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-05-22T09:04:17Z",
    "title_canon_sha256": "e1d6d216dd4cb5334f80cc7eb47c10cbe0c0caad85cfec76f8abe246b7867456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3638",
    "kind": "arxiv",
    "version": 2
  }
}