Pith Number

pith:O75IV6DP

pith:2012:O75IV6DP4SCFUOPMFQWZSUNR5O

not attested not anchored not stored refs pending

Quantum discord as a resource in quantum communication

Animesh Datta, Vaibhav Madhok

arxiv:1204.6042 v2 · 2012-04-26 · 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{O75IV6DP4SCFUOPMFQWZSUNR5O}

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	2026-05-18T03:43:07.204020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77fa8af86fe4845a39ec2c2d9951b1ebb795ec2254b6081678824c40cc1a53d7

Aliases

arxiv: 1204.6042 · arxiv_version: 1204.6042v2 · doi: 10.48550/arxiv.1204.6042 · pith_short_12: O75IV6DP4SCF · pith_short_16: O75IV6DP4SCFUOPM · pith_short_8: O75IV6DP

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/O75IV6DP4SCFUOPMFQWZSUNR5O \
  | 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: 77fa8af86fe4845a39ec2c2d9951b1ebb795ec2254b6081678824c40cc1a53d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d8045fe84f40f0d3ab9484e088970d5b92226f181ca60febb7eb05bfacfcac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-26T20:00:09Z",
    "title_canon_sha256": "29a453cfd86b5f27459ff840cfb0b505347bb75e9ec0e78e053bd33c7c061b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6042",
    "kind": "arxiv",
    "version": 2
  }
}