Pith Number

pith:RHPY72YM

pith:2014:RHPY72YMVSDQPIOCRZIVNJS7ZL

not attested not anchored not stored refs pending

Topological Photonic Phase in Chiral Hyperbolic Metamaterials

Benjamin B\'eri, Biao Yang, Fengzhou Fang, Fu Liu, Jensen Li, Mark Lawrence, Shuang Zhang, Wenlong Gao

arxiv:1401.5448 v2 · 2014-01-21 · 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{RHPY72YMVSDQPIOCRZIVNJS7ZL}

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	2026-05-18T01:45:18.296893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89df8feb0cac8707a1c28e5156a65fcada3cd287b1ec4a6eb6f95be11baef464

Aliases

arxiv: 1401.5448 · arxiv_version: 1401.5448v2 · doi: 10.48550/arxiv.1401.5448 · pith_short_12: RHPY72YMVSDQ · pith_short_16: RHPY72YMVSDQPIOC · pith_short_8: RHPY72YM

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/RHPY72YMVSDQPIOCRZIVNJS7ZL \
  | 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: 89df8feb0cac8707a1c28e5156a65fcada3cd287b1ec4a6eb6f95be11baef464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08804f08705cd09c59cf53e070b6fe3126206dfd384a0cabeb287893daa83ec0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-21T20:21:13Z",
    "title_canon_sha256": "9e1619a8fa156d53ca25154675a9fcbfa0ad0838f4b8ba16c3c1e28b85405ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5448",
    "kind": "arxiv",
    "version": 2
  }
}