Pith Number

pith:TPRDOFXF

pith:2018:TPRDOFXFAKLAKMSX2KJBC6XG6G

not attested not anchored not stored refs pending

Universality and Optimality in the Information-Disturbance Tradeoff

Anna-Lena K. Hashagen, Michael M. Wolf

arxiv:1802.09893 v2 · 2018-02-27 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPRDOFXFAKLAKMSX2KJBC6XG6G}

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	2026-05-17T23:55:59.415763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be23716e50296053257d292117ae6f1a2c95cde32c4e5410c0118b7eb098cbe

Aliases

arxiv: 1802.09893 · arxiv_version: 1802.09893v2 · doi: 10.48550/arxiv.1802.09893 · pith_short_12: TPRDOFXFAKLA · pith_short_16: TPRDOFXFAKLAKMSX · pith_short_8: TPRDOFXF

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/TPRDOFXFAKLAKMSX2KJBC6XG6G \
  | 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: 9be23716e50296053257d292117ae6f1a2c95cde32c4e5410c0118b7eb098cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67dc4bbf2aa1294581b645a42956fdf6c59e1efd7d845438795607bb982ed904",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-27T14:17:46Z",
    "title_canon_sha256": "ffc84f4a0dee09cdea8ab3dd0aa6bad2a4bf8754669d54d241a2c0e6b7d4129b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09893",
    "kind": "arxiv",
    "version": 2
  }
}