Pith Number

pith:TGGEBWHK

pith:2015:TGGEBWHKQDDIBBMW3EFUNA6P7P

not attested not anchored not stored refs pending

Diffraction of waves by screens (apertures in screens) with time-varying dimensions. Time-varying Kirchhoff's integral representation for moving boundaries

V.G. Baryshevsky

arxiv:1504.01889 v1 · 2015-04-08 · physics.optics · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGGEBWHKQDDIBBMW3EFUNA6P7P}

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	2026-05-18T02:19:17.902411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

998c40d8ea80c6808596d90b4683cffbe326aedff193b2c01878bd12f9b1f227

Aliases

arxiv: 1504.01889 · arxiv_version: 1504.01889v1 · doi: 10.48550/arxiv.1504.01889 · pith_short_12: TGGEBWHKQDDI · pith_short_16: TGGEBWHKQDDIBBMW · pith_short_8: TGGEBWHK

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/TGGEBWHKQDDIBBMW3EFUNA6P7P \
  | 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: 998c40d8ea80c6808596d90b4683cffbe326aedff193b2c01878bd12f9b1f227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30098f0b1b9a40d92c9d779c188323bcbf9ed63266897e9ecf8d76efdccdb8dd",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-08T09:45:01Z",
    "title_canon_sha256": "3e5f9d7beab8971f86d6c2fea528bd82aa0cac5803232d482751aac2c6092698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01889",
    "kind": "arxiv",
    "version": 1
  }
}