Pith Number

pith:SPAP5YYK

pith:2015:SPAP5YYKYMPXUBWXDMILPRBNDZ

not attested not anchored not stored refs pending

Large-angle quasi-self-collimation effect in a rod-type photonic crystal

Aimin Wu, Fuwan Gan, Haiyang Huang, Jing Wang, Ming Li, Shichang Zou, Wei Li, Xi Wang, You Li, Zhen Sheng

arxiv:1502.00698 v1 · 2015-02-03 · 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{SPAP5YYKYMPXUBWXDMILPRBNDZ}

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	2026-05-18T02:28:04.570868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c0fee30ac31f7a06d71b10b7c42d1e49c0b64cd99063617e52d3e4875fd509

Aliases

arxiv: 1502.00698 · arxiv_version: 1502.00698v1 · doi: 10.48550/arxiv.1502.00698 · pith_short_12: SPAP5YYKYMPX · pith_short_16: SPAP5YYKYMPXUBWX · pith_short_8: SPAP5YYK

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/SPAP5YYKYMPXUBWXDMILPRBNDZ \
  | 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: 93c0fee30ac31f7a06d71b10b7c42d1e49c0b64cd99063617e52d3e4875fd509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055a082bf325a4b30371df483e978525c1c21a115e56cc1b291ddd89f79a945b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-03T01:12:22Z",
    "title_canon_sha256": "cc2efc9243e50745aae33ca366d4113eb1104b59e21ef9a9cb79eb0f86dd7478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00698",
    "kind": "arxiv",
    "version": 1
  }
}