Pith Number

pith:52RNT3IS

pith:2018:52RNT3ISRETMSNG4HKCIMHETES

not attested not anchored not stored refs pending

Giant Unruh effect in hyperbolic metamaterial waveguides

I. I. Smolyaninov

arxiv:1811.08555 v2 · 2018-11-19 · physics.optics · gr-qc

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

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	2026-05-17T23:48:07.575118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea2d9ed128926c934dc3a84861c9324bc8025135722871ba6d03960e939a8a6

Aliases

arxiv: 1811.08555 · arxiv_version: 1811.08555v2 · doi: 10.48550/arxiv.1811.08555 · pith_short_12: 52RNT3ISRETM · pith_short_16: 52RNT3ISRETMSNG4 · pith_short_8: 52RNT3IS

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/52RNT3ISRETMSNG4HKCIMHETES \
  | 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: eea2d9ed128926c934dc3a84861c9324bc8025135722871ba6d03960e939a8a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9af779aed8adbab8e50ad951aebfc4ab21fa8e70d8b52003b8f2ad05f35583fd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-11-19T19:12:17Z",
    "title_canon_sha256": "9aec314e3352a2f6799c16a4116260cf1c0d1214202c4b3cf2bcd09b022b91c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08555",
    "kind": "arxiv",
    "version": 2
  }
}