Pith Number

pith:74RICKTH

pith:2018:74RICKTH3LF4XBWMPXNQSS7YSK

not attested not anchored not stored refs pending

A mid-infrared biaxial hyperbolic van der Waals crystal

Antonio Ambrosio, Fengsheng Sun, Huanjun Chen, Jianing Chen, Michele Tamagnone, Ningsheng Xu, Shaozhi Deng, Stefano Luigi Oscurato, William L. Wilson, Wuchao Huang, Yanlin Ke, Yinzhu Jiang, Zebo Zheng

arxiv:1809.03432 v1 · 2018-09-10 · 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{74RICKTH3LF4XBWMPXNQSS7YSK}

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	2026-05-18T00:06:06.895031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff22812a67dacbcb86cc7ddb094bf8929be6608b4db11470d5804385c472cc65

Aliases

arxiv: 1809.03432 · arxiv_version: 1809.03432v1 · doi: 10.48550/arxiv.1809.03432 · pith_short_12: 74RICKTH3LF4 · pith_short_16: 74RICKTH3LF4XBWM · pith_short_8: 74RICKTH

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/74RICKTH3LF4XBWMPXNQSS7YSK \
  | 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: ff22812a67dacbcb86cc7ddb094bf8929be6608b4db11470d5804385c472cc65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "921ab707d4af9c365319e38bc57bda7e6a1bfc889f9ec2c8e07e322f07a7d75c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-09-10T16:15:12Z",
    "title_canon_sha256": "a0e5fdc35210d8c44871173ab916b2174b8ba878262bf828594d7ea15ed32b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03432",
    "kind": "arxiv",
    "version": 1
  }
}