Pith Number

pith:YZ2HGPFO

pith:2019:YZ2HGPFOS4MCNJ5CUIOVRRZ6M2

not attested not anchored not stored refs pending

Information flow versus divisibility for qubit evolution

Dariusz Chru\'sci\'nski, Sagnik Chakraborty

arxiv:1901.03476 v1 · 2019-01-11 · 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{YZ2HGPFOS4MCNJ5CUIOVRRZ6M2}

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	2026-05-17T23:48:30.955587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c674733cae971826a7a2a21d58c73e668595a25f256703435529e29dae885c52

Aliases

arxiv: 1901.03476 · arxiv_version: 1901.03476v1 · doi: 10.48550/arxiv.1901.03476 · pith_short_12: YZ2HGPFOS4MC · pith_short_16: YZ2HGPFOS4MCNJ5C · pith_short_8: YZ2HGPFO

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/YZ2HGPFOS4MCNJ5CUIOVRRZ6M2 \
  | 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: c674733cae971826a7a2a21d58c73e668595a25f256703435529e29dae885c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9c96041c9c1769d604bc4e8a65c15b3377b6e08b4340965285ddaf0449de60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-11T04:39:31Z",
    "title_canon_sha256": "01c06c7c107e595431a57cc8776d8578280589bdce19cfd9387fcdf847f21bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03476",
    "kind": "arxiv",
    "version": 1
  }
}