Pith Number

pith:DV4UHFTG

pith:2019:DV4UHFTG5IOP5M74YW4OKR44L7

not attested not anchored not stored refs pending

Topologically non-trivial photonic surface degeneracy in a photonic metamaterial

Dasol Lee, Dongwoo Lee, Junsuk Rho, Minkyung Kim

arxiv:1901.02243 v1 · 2019-01-08 · 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{DV4UHFTG5IOP5M74YW4OKR44L7}

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	2026-05-17T23:42:24.819967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d79439666ea1cfeb3fcc5b8e5479c5fcf3cd280728c04220bcf65060120bb77

Aliases

arxiv: 1901.02243 · arxiv_version: 1901.02243v1 · doi: 10.48550/arxiv.1901.02243 · pith_short_12: DV4UHFTG5IOP · pith_short_16: DV4UHFTG5IOP5M74 · pith_short_8: DV4UHFTG

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/DV4UHFTG5IOP5M74YW4OKR44L7 \
  | 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: 1d79439666ea1cfeb3fcc5b8e5479c5fcf3cd280728c04220bcf65060120bb77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a5b03bcf7af282beedd706f780d978d60ca272660a9e6da133a48e437b6494b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-08T10:42:47Z",
    "title_canon_sha256": "24e3379e3188f1613e0bf823e2c36045cd2b20b65a88ea42af9d2b534d5e252e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02243",
    "kind": "arxiv",
    "version": 1
  }
}