Pith Number

pith:YPKS3MSR

pith:2015:YPKS3MSRNPTIZPCO22UCIESVHK

not attested not anchored not stored refs pending

Towards optical sensing with hyperbolic metamaterials

Tom G. Mackay (University of Edinburgh)

arxiv:1505.01054 v1 · 2015-05-05 · 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{YPKS3MSRNPTIZPCO22UCIESVHK}

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	2026-05-18T01:28:56.305700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d52db2516be68cbc4ed6a82412553aa81dfaea5f929903c585dd76a1b42803

Aliases

arxiv: 1505.01054 · arxiv_version: 1505.01054v1 · doi: 10.48550/arxiv.1505.01054 · pith_short_12: YPKS3MSRNPTI · pith_short_16: YPKS3MSRNPTIZPCO · pith_short_8: YPKS3MSR

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/YPKS3MSRNPTIZPCO22UCIESVHK \
  | 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: c3d52db2516be68cbc4ed6a82412553aa81dfaea5f929903c585dd76a1b42803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18df6a0141d0e1a6eefc0d0746786feccb971323fe85ab7acf91580cd8ab191d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-05T15:52:27Z",
    "title_canon_sha256": "988e6d10e09409e572d4479eb3fa19b883918c5467b4d361627e8fc55c714ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01054",
    "kind": "arxiv",
    "version": 1
  }
}