Pith Number

pith:UCW64CVK

pith:2009:UCW64CVKICEEFONDUQZQFPPSZV

not attested not anchored not stored refs pending

Exact relativistic viscous fluid solutions in near horizon extremal Kerr background

Ana-Maria Piso, Daniel Grumiller

arxiv:0909.2041 v1 · 2009-09-10 · astro-ph.SR · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCW64CVKICEEFONDUQZQFPPSZV}

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	2026-07-04T15:49:22.905858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0adee0aaa408842b9a3a43302bdf2cd7fdb189a2943b49385ac0e714f997e01

Aliases

arxiv: 0909.2041 · arxiv_version: 0909.2041v1 · doi: 10.48550/arxiv.0909.2041 · pith_short_12: UCW64CVKICEE · pith_short_16: UCW64CVKICEEFOND · pith_short_8: UCW64CVK

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/UCW64CVKICEEFONDUQZQFPPSZV \
  | 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: a0adee0aaa408842b9a3a43302bdf2cd7fdb189a2943b49385ac0e714f997e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49ddc108541128597fa13aff60fcb993efca78cac70b51f84ab833d859ff846",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-10T20:05:45Z",
    "title_canon_sha256": "ce5948f1899fa80484e54d7b3941d1308a9ecd2a719325fb21061e3e583479ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2041",
    "kind": "arxiv",
    "version": 1
  }
}