Pith Number

pith:WFMMK2UK

pith:2012:WFMMK2UKENY4CW6DNPSY7VFAE2

not attested not anchored not stored refs pending

Controllable Optical Negative Refraction and Phase Conjugation in Graphene

Hayk Harutyunyan, Lukas Novotny, Ryan Beams

arxiv:1210.4563 v1 · 2012-10-16 · cond-mat.mes-hall · 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{WFMMK2UKENY4CW6DNPSY7VFAE2}

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	2026-05-18T01:53:53.954937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b158c56a8a2371c15bc36be58fd4a026ba1aba33cba018b1757d770d4e7c06cc

Aliases

arxiv: 1210.4563 · arxiv_version: 1210.4563v1 · doi: 10.48550/arxiv.1210.4563 · pith_short_12: WFMMK2UKENY4 · pith_short_16: WFMMK2UKENY4CW6D · pith_short_8: WFMMK2UK

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/WFMMK2UKENY4CW6DNPSY7VFAE2 \
  | 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: b158c56a8a2371c15bc36be58fd4a026ba1aba33cba018b1757d770d4e7c06cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf84a293b5694a59989d8b950f7fa0aab4073e4f8123c9f82b9b065d94a0e42",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-10-16T20:07:51Z",
    "title_canon_sha256": "d14762b767c5cc7caf5bdeb3bc24f83e61bc28cbde57cbd287f06a4c8b05b8cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4563",
    "kind": "arxiv",
    "version": 1
  }
}