Pith Number

pith:PVOSYGDK

pith:2021:PVOSYGDKF5FYDDGF5Y7CD7VGJY

not attested not anchored not stored refs pending

A comparison of phase change materials in reconfigurable silicon photonic directional couplers

Jan Mistrik, Jan Prikryl, Li Lu, Milos Krbal, Robert Edward Simpson, Ting Yu Teo

arxiv:2106.01169 v2 · 2021-06-02 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVOSYGDKF5FYDDGF5Y7CD7VGJY}

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	2026-07-05T03:29:16.710820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d5d2c186a2f4b818cc5ee3e21fea64e01a80fb16f9890355f5ec13e92a3f4e5

Aliases

arxiv: 2106.01169 · arxiv_version: 2106.01169v2 · doi: 10.48550/arxiv.2106.01169 · pith_short_12: PVOSYGDKF5FY · pith_short_16: PVOSYGDKF5FYDDGF · pith_short_8: PVOSYGDK

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/PVOSYGDKF5FYDDGF5Y7CD7VGJY \
  | 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: 7d5d2c186a2f4b818cc5ee3e21fea64e01a80fb16f9890355f5ec13e92a3f4e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef51fae9256f0c5b58cacd70cf827d6fa9454b5881da7f115ec17adbe7bfce53",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-06-02T14:09:56Z",
    "title_canon_sha256": "02a716583bfb90516958508d94150e65a4b828c2bee1d5ea3d47a4ac6d9ad75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01169",
    "kind": "arxiv",
    "version": 2
  }
}