Pith Number

pith:3IRA4RYX

pith:2016:3IRA4RYXPEDPGP6A7BJGHCB36S

not attested not anchored not stored refs pending

Classical electromagnetic model of surface states in topological insulators

Akhlesh Lakhtakia, Tom G. Mackay

arxiv:1601.02525 v1 · 2016-01-11 · 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{3IRA4RYXPEDPGP6A7BJGHCB36S}

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	2026-05-18T00:40:54.132226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da220e47177906f33fc0f85263883bf4bddafa76b9bd033195bb921c3fe37485

Aliases

arxiv: 1601.02525 · arxiv_version: 1601.02525v1 · doi: 10.48550/arxiv.1601.02525 · pith_short_12: 3IRA4RYXPEDP · pith_short_16: 3IRA4RYXPEDPGP6A · pith_short_8: 3IRA4RYX

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/3IRA4RYXPEDPGP6A7BJGHCB36S \
  | 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: da220e47177906f33fc0f85263883bf4bddafa76b9bd033195bb921c3fe37485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1e7dd3ff9ca89f6f57d89cdb4bf54647338694ba4abf2fd8c8c9d2c1c9a3c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-01-11T17:18:12Z",
    "title_canon_sha256": "d4759ef6db4b0c864cb3c9264a4806f985f2da4f8329567c1a7d465edc4a9c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02525",
    "kind": "arxiv",
    "version": 1
  }
}