Pith Number

pith:34OMI2HM

pith:2011:34OMI2HM7GMEJUYQUAUYZKAKYQ

not attested not anchored not stored refs pending

Quantum measurements in continuous time, non Markovian evolutions and feedback

Alberto Barchielli, Matteo Gregoratti

arxiv:1111.6840 v2 · 2011-11-29 · 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{34OMI2HM7GMEJUYQUAUYZKAKYQ}

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	2026-05-18T03:42:11.754146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df1cc468ecf99844d310a0298ca80ac43ed9846a21831a0ddc0d523523d9071b

Aliases

arxiv: 1111.6840 · arxiv_version: 1111.6840v2 · doi: 10.48550/arxiv.1111.6840 · pith_short_12: 34OMI2HM7GME · pith_short_16: 34OMI2HM7GMEJUYQ · pith_short_8: 34OMI2HM

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/34OMI2HM7GMEJUYQUAUYZKAKYQ \
  | 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: df1cc468ecf99844d310a0298ca80ac43ed9846a21831a0ddc0d523523d9071b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf9eeccaf14885430f50077fde542064b061f3ee4c1885c5591f6071ac95b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-29T15:20:30Z",
    "title_canon_sha256": "ed7a62700457b22d3ac80cd1bf4c35bb5eb3ae2c2545f0acb7c08bbfd40288de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6840",
    "kind": "arxiv",
    "version": 2
  }
}