Pith Number

pith:JU6XWPPE

pith:2013:JU6XWPPEOCTKBWLLZMGSMMUGYC

not attested not anchored not stored refs pending

On one dimensional inverse problems arising from polarimetric measurements of nematic liquid crystals

Basang Tsering-Xiao, Yves Capdeboscq

arxiv:1304.2147 v1 · 2013-04-08 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JU6XWPPEOCTKBWLLZMGSMMUGYC}

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	2026-05-18T00:12:41.117385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d3d7b3de470a6a0d96bcb0d263286c09ad7dc0a4f83008a9b1879857027fc73

Aliases

arxiv: 1304.2147 · arxiv_version: 1304.2147v1 · doi: 10.48550/arxiv.1304.2147 · pith_short_12: JU6XWPPEOCTK · pith_short_16: JU6XWPPEOCTKBWLL · pith_short_8: JU6XWPPE

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/JU6XWPPEOCTKBWLLZMGSMMUGYC \
  | 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: 4d3d7b3de470a6a0d96bcb0d263286c09ad7dc0a4f83008a9b1879857027fc73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9416244b98011288fe3c83a0f2d18e0a1ef85ec1a7f10b44e4c0b804c910e5f8",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-08T09:44:23Z",
    "title_canon_sha256": "7cb20d1bb6e9a7fcdacad40349c33327567d0f1caaaed7bc01d060e9b9565f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2147",
    "kind": "arxiv",
    "version": 1
  }
}