Pith Number

pith:KWD4OUGF

pith:2025:KWD4OUGFISYBPS5UQYYITKUAYN

not attested not anchored not stored refs pending

A truncated photon

Isak Cecil Onsager Rukan, Jan Gulla, Johannes Skaar

arxiv:2510.21636 v2 · 2025-10-24 · 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{KWD4OUGFISYBPS5UQYYITKUAYN}

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	2026-05-27T02:05:07.236021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5587c750c544b017cbb4863089aa80c355f85e062ab2811adf02e11d93ec2df5

Aliases

arxiv: 2510.21636 · arxiv_version: 2510.21636v2 · doi: 10.48550/arxiv.2510.21636 · pith_short_12: KWD4OUGFISYB · pith_short_16: KWD4OUGFISYBPS5U · pith_short_8: KWD4OUGF

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/KWD4OUGFISYBPS5UQYYITKUAYN \
  | 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: 5587c750c544b017cbb4863089aa80c355f85e062ab2811adf02e11d93ec2df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f2c851034db640d7df1d6d9ee291c034d4b3ab598662add6985bd0536b4f4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-10-24T16:46:40Z",
    "title_canon_sha256": "37fe0ec08ff82a2496918e61e2310188ccd74f0fa8b2b5e98255d81059926e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.21636",
    "kind": "arxiv",
    "version": 2
  }
}