Pith Number

pith:F643GIXP

pith:2009:F643GIXPJCNN32TEESA7UYGB3F

not attested not anchored not stored refs pending

Optical models of the big bang and non-trivial space-time metrics based on metamaterials

Igor I. Smolyaninov

arxiv:0908.2407 v1 · 2009-08-17 · 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{F643GIXPJCNN32TEESA7UYGB3F}

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.

Cited by

1 paper in Pith

The emergent Big Bang scenario

Receipt and verification

First computed	2026-05-18T02:34:37.815630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb9b322ef489addea642481fa60c1d97b62d63922dd0e0201fad9e68477a9f1

Aliases

arxiv: 0908.2407 · arxiv_version: 0908.2407v1 · doi: 10.48550/arxiv.0908.2407 · pith_short_12: F643GIXPJCNN · pith_short_16: F643GIXPJCNN32TE · pith_short_8: F643GIXP

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/F643GIXPJCNN32TEESA7UYGB3F \
  | 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: 2fb9b322ef489addea642481fa60c1d97b62d63922dd0e0201fad9e68477a9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b70b2da566c4eb0e599ec8f28c3a8c853b0b67ed85f431173f5261b1be3b867e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-08-17T18:20:59Z",
    "title_canon_sha256": "9efa21df2c1d39cd17edd1f42d87e527a624b19dd8e86fe0b235a2c13937ddb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2407",
    "kind": "arxiv",
    "version": 1
  }
}