Pith Number

pith:JWBDQJD3

pith:2008:JWBDQJD35QKSJTS33ID7CLZTCJ

not attested not anchored not stored refs pending

Coding for quantum channels with side information at the transmitter

Fr\'ed\'eric Dupuis

arxiv:0805.3352 v1 · 2008-05-21 · 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{JWBDQJD35QKSJTS33ID7CLZTCJ}

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	2026-05-18T00:38:12.998748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8238247bec1524ce5bda07f12f331263b658197e458981d25d2a50c81dcf7a

Aliases

arxiv: 0805.3352 · arxiv_version: 0805.3352v1 · doi: 10.48550/arxiv.0805.3352 · pith_short_12: JWBDQJD35QKS · pith_short_16: JWBDQJD35QKSJTS3 · pith_short_8: JWBDQJD3

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/JWBDQJD35QKSJTS33ID7CLZTCJ \
  | 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: 4d8238247bec1524ce5bda07f12f331263b658197e458981d25d2a50c81dcf7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de3c194693666ebaa899e6b04f597c2d9f22254ca2a55c4a951527a993d1aa7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-05-21T20:14:40Z",
    "title_canon_sha256": "1fb843dd92b72c10b8acf04609e62a1ae2dc05316475dbdc4d90ecc66639065a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3352",
    "kind": "arxiv",
    "version": 1
  }
}