Pith Number

pith:T6DRA6R3

pith:2021:T6DRA6R3REC663CHVGLDVNLTIF

not attested not anchored not stored refs pending

Matrix Discrepancy from Quantum Communication

Abhishek Shetty, Prasad Raghavendra, Samuel B. Hopkins

arxiv:2110.10099 v1 · 2021-10-19 · cs.DS · cs.CC · math.CO · 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{T6DRA6R3REC663CHVGLDVNLTIF}

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

Quantum Communication Lower Bounds for Search Problems via Matrix Discrepancy

Receipt and verification

First computed	2026-07-05T03:24:14.186339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f87107a3b8905ef6c47a9963ab5734178fae33098b003e401e090c2f3accb4b

Aliases

arxiv: 2110.10099 · arxiv_version: 2110.10099v1 · doi: 10.48550/arxiv.2110.10099 · pith_short_12: T6DRA6R3REC6 · pith_short_16: T6DRA6R3REC663CH · pith_short_8: T6DRA6R3

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/T6DRA6R3REC663CHVGLDVNLTIF \
  | 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: 9f87107a3b8905ef6c47a9963ab5734178fae33098b003e401e090c2f3accb4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0820f3d93bc09dfb585ff9b0bd4418431daa9a0598c98bae6298230b639800",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-10-19T16:51:11Z",
    "title_canon_sha256": "ab418ac9eac0982e7ca92fbab896cc7705077ee81270225e1cbb42842811880b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10099",
    "kind": "arxiv",
    "version": 1
  }
}