Pith Number

pith:4GGEB2XT

pith:2019:4GGEB2XTZMZTEA2XDXDXQNPENH

not attested not anchored not stored refs pending

Tunable Birefringence in Silica Mediated Magnetic Fluid

Abhay Padsala, Nidhi Ruparelia, Rucha Desai, Urveshkumar Soni

arxiv:1908.08366 v2 · 2019-08-22 · physics.app-ph · 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{4GGEB2XTZMZTEA2XDXDXQNPENH}

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	2026-07-05T00:13:30.354679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18c40eaf3cb333203571dc77835e469ea5ccadbe73ea34f996fb28e8e089e2d

Aliases

arxiv: 1908.08366 · arxiv_version: 1908.08366v2 · doi: 10.48550/arxiv.1908.08366 · pith_short_12: 4GGEB2XTZMZT · pith_short_16: 4GGEB2XTZMZTEA2X · pith_short_8: 4GGEB2XT

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/4GGEB2XTZMZTEA2XDXDXQNPENH \
  | 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: e18c40eaf3cb333203571dc77835e469ea5ccadbe73ea34f996fb28e8e089e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06741421f2214da26465150e74b35c0994e413bae652f9705f2d9918a2a8bbaa",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-08-22T13:37:06Z",
    "title_canon_sha256": "b9c449b89d794da779aaf359d55ee9faec8f66828573592c39be51044d0800d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08366",
    "kind": "arxiv",
    "version": 2
  }
}