Pith Number

pith:AHCHLP6Y

pith:2015:AHCHLP6YK75H6D3RQKK4TOQK6Y

not attested not anchored not stored refs pending

Composite multi-vortex diffraction-free beams and van Hove singularities in honeycomb lattices

Nikolaos K. Efremidis, Vassilis Paltoglou, Zhigang Chen

arxiv:1502.01879 v1 · 2015-02-06 · 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{AHCHLP6YK75H6D3RQKK4TOQK6Y}

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	2026-05-18T01:17:20.639029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c475bfd857fa7f0f718295c9ba0af639931c70c7947f268edd6d59e0391e3a

Aliases

arxiv: 1502.01879 · arxiv_version: 1502.01879v1 · doi: 10.48550/arxiv.1502.01879 · pith_short_12: AHCHLP6YK75H · pith_short_16: AHCHLP6YK75H6D3R · pith_short_8: AHCHLP6Y

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/AHCHLP6YK75H6D3RQKK4TOQK6Y \
  | 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: 01c475bfd857fa7f0f718295c9ba0af639931c70c7947f268edd6d59e0391e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5c308a3144df55fdb07d6940119d7dffa8a9389b99f4072e17c0f5e11d2490",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-06T13:22:41Z",
    "title_canon_sha256": "9f3c02f65aaedf42b2e71051ddcd396871a9ae482912417124863ae4f7862fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01879",
    "kind": "arxiv",
    "version": 1
  }
}