Pith Number

pith:IWESOGRR

pith:2025:IWESOGRR6CFB2IXPD7YDRTHKYY

not attested not anchored not stored refs pending

Uncertainty and entropies of classical channels

Takla Nateeboon

arxiv:2507.12310 v1 · 2025-07-16 · 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{IWESOGRR6CFB2IXPD7YDRTHKYY}

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	2026-07-05T11:38:18.191585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4589271a31f08a1d22ef1ff038cceac628754fc3fd2c4fbbbf2e76e90e1985ab

Aliases

arxiv: 2507.12310 · arxiv_version: 2507.12310v1 · doi: 10.48550/arxiv.2507.12310 · pith_short_12: IWESOGRR6CFB · pith_short_16: IWESOGRR6CFB2IXP · pith_short_8: IWESOGRR

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/IWESOGRR6CFB2IXPD7YDRTHKYY \
  | 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: 4589271a31f08a1d22ef1ff038cceac628754fc3fd2c4fbbbf2e76e90e1985ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984d64ffeae85f120ad56f3d2fdca339566d081cda042e539943535b427296f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-16T15:06:17Z",
    "title_canon_sha256": "d37e9daf0d9b6163b43e3761d97dc18d5293721363ca3ad01705d5bf60205260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12310",
    "kind": "arxiv",
    "version": 1
  }
}