Pith Number

pith:UESVC3II

pith:2019:UESVC3IIOG4GTELAO5WX52E7OM

not attested not anchored not stored refs pending

Quantum Markovianity as a supervised learning task

Fabio Costa, Gerard Milburn, Sally Shrapnel

arxiv:1901.05158 v1 · 2019-01-16 · 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{UESVC3IIOG4GTELAO5WX52E7OM}

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	2026-05-17T23:56:11.700496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a125516d0871b8699160776d7ee89f7329041e4b1641e67669cfaee72a349d82

Aliases

arxiv: 1901.05158 · arxiv_version: 1901.05158v1 · doi: 10.48550/arxiv.1901.05158 · pith_short_12: UESVC3IIOG4G · pith_short_16: UESVC3IIOG4GTELA · pith_short_8: UESVC3II

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/UESVC3IIOG4GTELAO5WX52E7OM \
  | 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: a125516d0871b8699160776d7ee89f7329041e4b1641e67669cfaee72a349d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1aa35186fe8d151f6b610a9113f01518f01a5c52c625b09e93401bb70c15a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-16T06:48:08Z",
    "title_canon_sha256": "c4f7f270aeebbd5fc096cf8877ddd142fdde88581273ae4b88af683d9a59cb03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05158",
    "kind": "arxiv",
    "version": 1
  }
}