pith. sign in
Pith Number

pith:5FQC2QVK

pith:2018:5FQC2QVKADO6CFM65RY3ISQNYV
not attested not anchored not stored refs pending

Observation of Three-dimensional Photonic Dirac points and Spin-polarized Surface Arcs

Biao Yang, C. T. Chan, Dianyuan Fan, Edward Blythe, Hongchao Liu, James B. Sellman, Jensen Li, Jing Chen, Oubo You, Qinghua Guo, Shuang Zhang, Yuanjiang Xiang

arxiv:1810.02354 v1 · 2018-10-04 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5FQC2QVKADO6CFM65RY3ISQNYV}

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 2026-05-17T23:44:58.916238Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e9602d42aa00dde1159eec71b44a0dc5460ce6ea809ab86de358cef80e69a79d

Aliases

arxiv: 1810.02354 · arxiv_version: 1810.02354v1 · doi: 10.48550/arxiv.1810.02354 · pith_short_12: 5FQC2QVKADO6 · pith_short_16: 5FQC2QVKADO6CFM6 · pith_short_8: 5FQC2QVK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5FQC2QVKADO6CFM65RY3ISQNYV \
  | 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: e9602d42aa00dde1159eec71b44a0dc5460ce6ea809ab86de358cef80e69a79d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "df12644f4af31736db81cb6931bcb931220011e46f7b036d9d77448b6ba5632b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-10-04T17:58:08Z",
    "title_canon_sha256": "afdb8f1df94f2de0e5a87701777418e545032b8207e738fcce4a313517612f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02354",
    "kind": "arxiv",
    "version": 1
  }
}