Pith Number

pith:AMXCXPQ3

pith:2010:AMXCXPQ3ZYQBWOCRLZKUKFETWQ

not attested not anchored not stored refs pending

Thin-Film Metamaterials called Sculptured Thin Films

Akhlesh Lakhtakia, Joseph B. Geddes III

arxiv:1004.0520 v1 · 2010-04-04 · 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{AMXCXPQ3ZYQBWOCRLZKUKFETWQ}

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	2026-05-18T02:48:53.590139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

032e2bbe1bce201b38515e55451493b419449da89cc32e0ebbb2f8d4d1056b22

Aliases

arxiv: 1004.0520 · arxiv_version: 1004.0520v1 · doi: 10.48550/arxiv.1004.0520 · pith_short_12: AMXCXPQ3ZYQB · pith_short_16: AMXCXPQ3ZYQBWOCR · pith_short_8: AMXCXPQ3

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/AMXCXPQ3ZYQBWOCRLZKUKFETWQ \
  | 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: 032e2bbe1bce201b38515e55451493b419449da89cc32e0ebbb2f8d4d1056b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3f30af9712cd0a49b85221d07880dcb72372589a5b7773e729951198e069b1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-04-04T17:06:41Z",
    "title_canon_sha256": "7052849735ccdd1a7ef7ffee4954e89c2ed32d8a5ad1a1cc66c58e2d0cc9f0cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0520",
    "kind": "arxiv",
    "version": 1
  }
}