Pith Number

pith:7FTXIPGB

pith:2025:7FTXIPGB77MYIRD5KXHCDKR33L

not attested not anchored not stored refs pending

Semiclassical approximation for barrier billiards

Eugene Bogomolny

arxiv:2504.18834 v1 · 2025-04-26 · quant-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{7FTXIPGB77MYIRD5KXHCDKR33L}

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	2026-07-05T10:54:22.090212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f967743cc1ffd984447d55ce21aa3bdaefd3b56781be5d46007119a687b1f289

Aliases

arxiv: 2504.18834 · arxiv_version: 2504.18834v1 · doi: 10.48550/arxiv.2504.18834 · pith_short_12: 7FTXIPGB77MY · pith_short_16: 7FTXIPGB77MYIRD5 · pith_short_8: 7FTXIPGB

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/7FTXIPGB77MYIRD5KXHCDKR33L \
  | 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: f967743cc1ffd984447d55ce21aa3bdaefd3b56781be5d46007119a687b1f289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ecdd71509ef0cab03d366fb76de4fa52411fb3d8e8af65ab8ecfc4baedc4b12",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-26T07:41:13Z",
    "title_canon_sha256": "c4a602e8d20a881189d9cc0a788a137d911fd8b98fe3f8a718903de31ca5773e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18834",
    "kind": "arxiv",
    "version": 1
  }
}