Pith Number

pith:XK4PHGOU

pith:2013:XK4PHGOU7E6Z66WESFST6CP32N

not attested not anchored not stored refs pending

Observation of the Dyakonov-Tamm Wave

Akhlesh Lakhtakia, Drew Patrick Pulsifer, Muhammad Faryad

arxiv:1311.4414 v1 · 2013-11-18 · 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{XK4PHGOU7E6Z66WESFST6CP32N}

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	2026-05-18T02:48:46.638561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab8f399d4f93d9f7ac491653f09fbd3535bf874ecfffa7989e07fc4c01b2790

Aliases

arxiv: 1311.4414 · arxiv_version: 1311.4414v1 · doi: 10.48550/arxiv.1311.4414 · pith_short_12: XK4PHGOU7E6Z · pith_short_16: XK4PHGOU7E6Z66WE · pith_short_8: XK4PHGOU

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/XK4PHGOU7E6Z66WESFST6CP32N \
  | 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: bab8f399d4f93d9f7ac491653f09fbd3535bf874ecfffa7989e07fc4c01b2790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f82750f082cd1193b4cc64a3dfd02f82753c2073a91dc91034e86ad17460ff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-11-18T14:57:31Z",
    "title_canon_sha256": "140186f8a26d52191ec686ac1d2d04e4d2f382f627507c2f4564a5742a2bb862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4414",
    "kind": "arxiv",
    "version": 1
  }
}