Pith Number

pith:Z6GOUZGI

pith:2018:Z6GOUZGIV7PZ6E3U2YNA4WUW6B

not attested not anchored not stored refs pending

Characterizing Incomparability in Quantum Information

Liwen Hu

arxiv:1803.10408 v3 · 2018-03-28 · 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{Z6GOUZGIV7PZ6E3U2YNA4WUW6B}

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	2026-05-18T00:17:18.437647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf8cea64c8afdf9f1374d61a0e5a96f068caaaf60b18c0a1d6f7e2c46badbf3a

Aliases

arxiv: 1803.10408 · arxiv_version: 1803.10408v3 · doi: 10.48550/arxiv.1803.10408 · pith_short_12: Z6GOUZGIV7PZ · pith_short_16: Z6GOUZGIV7PZ6E3U · pith_short_8: Z6GOUZGI

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/Z6GOUZGIV7PZ6E3U2YNA4WUW6B \
  | 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: cf8cea64c8afdf9f1374d61a0e5a96f068caaaf60b18c0a1d6f7e2c46badbf3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a08e7158b21bd42e3154d20e61f3b49f17362c7b222cc66406805198c548875e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-28T04:19:33Z",
    "title_canon_sha256": "4e3c57f42f61ea34c0c5d57c06f30b5d3cd30e34108a7d9bed97e775e8c65b54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10408",
    "kind": "arxiv",
    "version": 3
  }
}