Pith Number

pith:OQ3BH7SR

pith:2021:OQ3BH7SR6X677G3STOMCRO7AMW

not attested not anchored not stored refs pending

Noncausal Page-Wootters circuits

Marius Krumm, Philippe Allard Gu\'erin, \v{C}aslav Brukner, Veronika Baumann

arxiv:2105.02304 v2 · 2021-05-05 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQ3BH7SR6X677G3STOMCRO7AMW}

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.

Cited by

1 paper in Pith

Subsystem decompositions of quantum evolutions and transformations between causal perspectives

Receipt and verification

First computed	2026-07-05T04:03:46.133395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

743613fe51f5fdff9b729b9828bbe065bd569509eda832d8b2423b48f849a5b2

Aliases

arxiv: 2105.02304 · arxiv_version: 2105.02304v2 · doi: 10.48550/arxiv.2105.02304 · pith_short_12: OQ3BH7SR6X67 · pith_short_16: OQ3BH7SR6X677G3S · pith_short_8: OQ3BH7SR

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/OQ3BH7SR6X677G3STOMCRO7AMW \
  | 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: 743613fe51f5fdff9b729b9828bbe065bd569509eda832d8b2423b48f849a5b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa53e3e7b701934cb4f29bba6ce7231d4ffd790ab4abc7d20f5a452e005844dd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-05T20:02:09Z",
    "title_canon_sha256": "37bf7f7edeacea4d0efb1ef2062f4555a208d9580d970012a8a768817a775347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02304",
    "kind": "arxiv",
    "version": 2
  }
}