Pith Number

pith:QRYZ53ML

pith:2022:QRYZ53MLJKOK2BPIEJEEOHIO4O

not attested not anchored not stored refs pending

Time symmetry in quantum theories and beyond

Bob Coecke, John H. Selby, Maria E. Stasinou, Stefano Gogioso

arxiv:2209.07867 v2 · 2022-09-16 · 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{QRYZ53MLJKOK2BPIEJEEOHIO4O}

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

An equivalence between time-symmetry and cyclic causality in quantum theory

Receipt and verification

First computed	2026-07-05T09:33:23.416064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84719eed8b4a9cad05e82248471d0ee39e23cad3c63149c5310f9c24255fdacd

Aliases

arxiv: 2209.07867 · arxiv_version: 2209.07867v2 · doi: 10.48550/arxiv.2209.07867 · pith_short_12: QRYZ53MLJKOK · pith_short_16: QRYZ53MLJKOK2BPI · pith_short_8: QRYZ53ML

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/QRYZ53MLJKOK2BPIEJEEOHIO4O \
  | 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: 84719eed8b4a9cad05e82248471d0ee39e23cad3c63149c5310f9c24255fdacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23085c56d4cc89a229f8415e9014712e4fe4d854b14c9a3f5720a2faca23099a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-09-16T11:41:58Z",
    "title_canon_sha256": "7f60ee180dc0b3e53f4fcf429ad0b7a08321712ded2de95f38386cd406b9d30f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.07867",
    "kind": "arxiv",
    "version": 2
  }
}