Pith Number

pith:R2YWUX64

pith:2018:R2YWUX64S47XP3IKNT6X72S4XX

not attested not anchored not stored refs pending

Designing lasing and perfectly absorbing potentials

Boris Vainberg, Evgeny Lakshtanov, Vladimir V. Konotop

arxiv:1812.05499 v2 · 2018-12-13 · physics.optics · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2YWUX64S47XP3IKNT6X72S4XX}

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	2026-05-17T23:47:19.619065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb16a5fdc973f77ed0a6cfd7fea5cbdf0e09931a6d59c8286039363a5ec72e4

Aliases

arxiv: 1812.05499 · arxiv_version: 1812.05499v2 · doi: 10.48550/arxiv.1812.05499 · pith_short_12: R2YWUX64S47X · pith_short_16: R2YWUX64S47XP3IK · pith_short_8: R2YWUX64

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/R2YWUX64S47XP3IKNT6X72S4XX \
  | 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: 8eb16a5fdc973f77ed0a6cfd7fea5cbdf0e09931a6d59c8286039363a5ec72e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97d23eefa4523327beb60c9130215a4cab23bc1bc1bd4ddb96953c70d9ba9bfd",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-13T16:15:40Z",
    "title_canon_sha256": "00d6d66643136c2bc8a17f3e00281d40229b137a0fbbfe3b838677a72bcf75ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05499",
    "kind": "arxiv",
    "version": 2
  }
}