Pith Number

pith:Y7D6365A

pith:2011:Y7D6365AB3WGWFN6OT5RHIOAFP

not attested not anchored not stored refs pending

Negative Refraction and Superconductivity

Alberto Mariotti, Antonio Amariti, Davide Forcella, Massimo Siani

arxiv:1107.1242 v1 · 2011-07-06 · hep-th · cond-mat.supr-con · 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{Y7D6365AB3WGWFN6OT5RHIOAFP}

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	2026-05-18T02:01:22.228205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c7edfba00eec6b15be74fb13a1c02bc500725285b9da0cb27e7d831bdbc33e

Aliases

arxiv: 1107.1242 · arxiv_version: 1107.1242v1 · doi: 10.48550/arxiv.1107.1242 · pith_short_12: Y7D6365AB3WG · pith_short_16: Y7D6365AB3WGWFN6 · pith_short_8: Y7D6365A

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/Y7D6365AB3WGWFN6OT5RHIOAFP \
  | 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: c7c7edfba00eec6b15be74fb13a1c02bc500725285b9da0cb27e7d831bdbc33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c036afea47e6c136bec69da1d1fe8a7d37750906a084457975f4fe95b43f50d9",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-07-06T20:00:30Z",
    "title_canon_sha256": "0095f14329de1553eb80080dcbae3ac775e7904fc0be8e89628326d42d0b28b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1242",
    "kind": "arxiv",
    "version": 1
  }
}