Pith Number

pith:BJU3TPYH

pith:2010:BJU3TPYHWE32DIKENADJ6UUOP5

not attested not anchored not stored refs pending

Metamaterial "Multiverse"

Igor I. Smolyaninov

arxiv:1005.1002 v2 · 2010-05-06 · physics.optics · 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{BJU3TPYHWE32DIKENADJ6UUOP5}

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	2026-05-18T04:24:54.621873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a69b9bf07b137a1a14468069f528e7f461147ec67a93256309e918e36c99bc9

Aliases

arxiv: 1005.1002 · arxiv_version: 1005.1002v2 · doi: 10.48550/arxiv.1005.1002 · pith_short_12: BJU3TPYHWE32 · pith_short_16: BJU3TPYHWE32DIKE · pith_short_8: BJU3TPYH

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/BJU3TPYHWE32DIKENADJ6UUOP5 \
  | 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: 0a69b9bf07b137a1a14468069f528e7f461147ec67a93256309e918e36c99bc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a8e51556cbe7ede70d39f913951719510ffd2c50312e3659cb2dcc25d1d24f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-05-06T13:56:36Z",
    "title_canon_sha256": "a9820911749ada3586847d9ba766eba24fffca202e08c21ff919a7d5084345c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1002",
    "kind": "arxiv",
    "version": 2
  }
}