Pith Number

pith:BMSM2AEL

pith:2012:BMSM2AELINTGJV7J334N6PMMR6

not attested not anchored not stored refs pending

Shear-free perfect fluids with a solenoidal electric curvature

Hamid Reza Karimian, John Carminati, Norbert Van den Bergh, Peter Huf

arxiv:1201.4241 v2 · 2012-01-20 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMSM2AELINTGJV7J334N6PMMR6}

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	2026-05-18T01:58:46.340285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b24cd008b436664d7e9def8df3d8c8faef31e80af0dc3508ec8bb1a157ba580

Aliases

arxiv: 1201.4241 · arxiv_version: 1201.4241v2 · doi: 10.48550/arxiv.1201.4241 · pith_short_12: BMSM2AELINTG · pith_short_16: BMSM2AELINTGJV7J · pith_short_8: BMSM2AEL

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/BMSM2AELINTGJV7J334N6PMMR6 \
  | 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: 0b24cd008b436664d7e9def8df3d8c8faef31e80af0dc3508ec8bb1a157ba580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83470a442206f5f2efdd84e5a86bbd8f7b53529c4ac1c3e665c9916ea4b121d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-20T09:56:11Z",
    "title_canon_sha256": "1d775d9f1b60c940c96dcec859880a48159158f5c3cb46acc95ab7e1a6e8d641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4241",
    "kind": "arxiv",
    "version": 2
  }
}