Pith Number

pith:IURZJF2P

pith:2013:IURZJF2PTTASTLD7AJH5MU4NXQ

not attested not anchored not stored refs pending

Generalized conditional entropy in bipartite quantum systems

N. Gigena, R. Rossignoli

arxiv:1308.3000 v2 · 2013-08-14 · 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{IURZJF2PTTASTLD7AJH5MU4NXQ}

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	2026-05-18T03:04:48.762381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452394974f9cc129ac7f024fd6538dbc0bbc979098562b41df95419a1f0961c3

Aliases

arxiv: 1308.3000 · arxiv_version: 1308.3000v2 · doi: 10.48550/arxiv.1308.3000 · pith_short_12: IURZJF2PTTAS · pith_short_16: IURZJF2PTTASTLD7 · pith_short_8: IURZJF2P

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/IURZJF2PTTASTLD7AJH5MU4NXQ \
  | 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: 452394974f9cc129ac7f024fd6538dbc0bbc979098562b41df95419a1f0961c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8d93ef583f3fac90b2584b26973bc5be4ffa47a9f12a6ebab63860357d8aead",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-14T00:44:33Z",
    "title_canon_sha256": "303b8b70ec5b2d56b9d995077a1ae49fcc51d18b94040e76370720f8086a0231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3000",
    "kind": "arxiv",
    "version": 2
  }
}