Pith Number

pith:HQATZVFS

pith:2017:HQATZVFSS6WOFF2SE4WRQB3IFY

not attested not anchored not stored refs pending

Engineering topological edge states in two dimensional magnetic photonic crystal

Bing Yang, Tong Wu, Xiangdong Zhang

arxiv:1712.09565 v1 · 2017-12-27 · 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{HQATZVFSS6WOFF2SE4WRQB3IFY}

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	2026-05-18T00:27:07.987084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c013cd4b297ace29752272d1807682e1f63ad1ba3a7ac46b3d1ce8f75b8e8c0

Aliases

arxiv: 1712.09565 · arxiv_version: 1712.09565v1 · doi: 10.48550/arxiv.1712.09565 · pith_short_12: HQATZVFSS6WO · pith_short_16: HQATZVFSS6WOFF2S · pith_short_8: HQATZVFS

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/HQATZVFSS6WOFF2SE4WRQB3IFY \
  | 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: 3c013cd4b297ace29752272d1807682e1f63ad1ba3a7ac46b3d1ce8f75b8e8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dcb4d7f45c40eaf9bbf00302c0f3da854a99a6d0ab4930794286545243bc8c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-12-27T12:40:58Z",
    "title_canon_sha256": "306ffc11876631c785659fb92d2a953f603399ad12372a0412a6384d8ba4dba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09565",
    "kind": "arxiv",
    "version": 1
  }
}