Pith Number

pith:DJNRSB3Q

pith:2018:DJNRSB3QDFHHZWKYJ6VKVIWA3N

not attested not anchored not stored refs pending

Indefinite causal order enables perfect quantum communication with zero capacity channels

Arup Roy, Giulio Chiribella, Guruprasad Kar, Manik Banik, Mir Alimuddin, Some Sankar Bhattacharya, Sristy Agrawal, Sutapa Saha, Tamal Guha

arxiv:1810.10457 v4 · 2018-10-24 · 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{DJNRSB3QDFHHZWKYJ6VKVIWA3N}

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.

Cited by

1 paper in Pith

Polycategorical Constructions for Unitary Supermaps of Arbitrary Dimension

Receipt and verification

First computed	2026-07-05T04:54:10.967260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a5b190770194e7cd9584faaaaa2c0db61a678d0d3886b1437a10c1968df694b

Aliases

arxiv: 1810.10457 · arxiv_version: 1810.10457v4 · doi: 10.48550/arxiv.1810.10457 · pith_short_12: DJNRSB3QDFHH · pith_short_16: DJNRSB3QDFHHZWKY · pith_short_8: DJNRSB3Q

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/DJNRSB3QDFHHZWKYJ6VKVIWA3N \
  | 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: 1a5b190770194e7cd9584faaaaa2c0db61a678d0d3886b1437a10c1968df694b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e5230dd2b2302a402a5eb7b972d8775212f8b66f4d6868a2520056aab69aa0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-24T15:33:48Z",
    "title_canon_sha256": "818ee1bd1a448c5775db38b56d61c05093a3136ff6d49607ff670382cd2c326e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10457",
    "kind": "arxiv",
    "version": 4
  }
}