Pith Number

pith:T5MWEXVE

pith:2020:T5MWEXVEMT3PWAQZUR4LZ24UOC

not attested not anchored not stored refs pending

Classical communication through quantum causal structures

Fabio Costa, Kaumudibikash Goswami

arxiv:2007.05051 v1 · 2020-07-09 · 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{T5MWEXVEMT3PWAQZUR4LZ24UOC}

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	2026-07-05T02:33:18.900037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f59625ea464f6fb0219a478bceb94708964105136d9456fed6bcd30dc7dcc88

Aliases

arxiv: 2007.05051 · arxiv_version: 2007.05051v1 · doi: 10.48550/arxiv.2007.05051 · pith_short_12: T5MWEXVEMT3P · pith_short_16: T5MWEXVEMT3PWAQZ · pith_short_8: T5MWEXVE

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/T5MWEXVEMT3PWAQZUR4LZ24UOC \
  | 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: 9f59625ea464f6fb0219a478bceb94708964105136d9456fed6bcd30dc7dcc88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd219d6693ea5f63f1dc7cb1e65cb59bebbd0ed31441a767d451be8a2120bb1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-09T20:33:17Z",
    "title_canon_sha256": "51776a01d6e0619238f5177d2b8b42808f79b0397d0f546655ddb6af68468533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05051",
    "kind": "arxiv",
    "version": 1
  }
}