Pith Number

pith:P4RR7K72

pith:2014:P4RR7K72A4OMUALJRC4TX6B7KQ

not attested not anchored not stored refs pending

Fluctuational electrodynamics of hyperbolic metamaterials

Yu Guo, Zubin Jacob

arxiv:1406.3791 v1 · 2014-06-15 · physics.optics · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4RR7K72A4OMUALJRC4TX6B7KQ}

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	2026-05-18T01:42:56.799482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f231fabfa071cca016988b93bf83f540d6a64d39b9fdb53824a1c41ae1ee4af

Aliases

arxiv: 1406.3791 · arxiv_version: 1406.3791v1 · doi: 10.48550/arxiv.1406.3791 · pith_short_12: P4RR7K72A4OM · pith_short_16: P4RR7K72A4OMUALJ · pith_short_8: P4RR7K72

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/P4RR7K72A4OMUALJRC4TX6B7KQ \
  | 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: 7f231fabfa071cca016988b93bf83f540d6a64d39b9fdb53824a1c41ae1ee4af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c847b7c95d09f81bfc6be451f67f0fd572c8883a3004857d064ac3eb980cc97a",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-06-15T02:08:52Z",
    "title_canon_sha256": "22f52c019ff0bc4699f0aee1a356a42485046a215de17cd52293ee25edfb6af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3791",
    "kind": "arxiv",
    "version": 1
  }
}