Pith Number

pith:SVMPSISZ

pith:2002:SVMPSISZWLCKAVZKFQP72UVOPP

not attested not anchored not stored refs pending

Analog black holes in flowing dielectrics

J. Salim, M. Novello, R. Klippert, S. Perez Bergliaffa, V. De Lorenci

arxiv:gr-qc/0201061 v4 · 2002-01-18 · gr-qc · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVMPSISZWLCKAVZKFQP72UVOPP}

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	2026-05-18T00:37:16.713672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9558f92259b2c4a0572a2c1ffd52ae7be04b3b89a3ce44b9c1ab30c9cfca83b4

Aliases

arxiv: gr-qc/0201061 · arxiv_version: gr-qc/0201061v4 · doi: 10.48550/arxiv.gr-qc/0201061 · pith_short_12: SVMPSISZWLCK · pith_short_16: SVMPSISZWLCKAVZK · pith_short_8: SVMPSISZ

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/SVMPSISZWLCKAVZKFQP72UVOPP \
  | 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: 9558f92259b2c4a0572a2c1ffd52ae7be04b3b89a3ce44b9c1ab30c9cfca83b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49876235e3c4ea786895f7d8bcc97e0642620c2baaab4883813c59ced4f6758d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-01-18T16:23:04Z",
    "title_canon_sha256": "faedf1fbbf2a73d37404040d9f724dbbbbfa641c963545f9bb014171892ccc2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0201061",
    "kind": "arxiv",
    "version": 4
  }
}