Pith Number

pith:UYAOX6V7

pith:2021:UYAOX6V7KPS6IMDCF3GNL3NBWM

not attested not anchored not stored refs pending

The Quantum Eraser Paradox

Colm Bracken, Jonte R. Hance, Sabine Hossenfelder

arxiv:2111.09347 v2 · 2021-11-17 · quant-ph · physics.hist-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{UYAOX6V7KPS6IMDCF3GNL3NBWM}

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	2026-07-05T03:35:14.286156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a600ebfabf53e5e430622eccd5eda1b319f04e5aeb77ae0c3d9d2ea5d3459bf9

Aliases

arxiv: 2111.09347 · arxiv_version: 2111.09347v2 · doi: 10.48550/arxiv.2111.09347 · pith_short_12: UYAOX6V7KPS6 · pith_short_16: UYAOX6V7KPS6IMDC · pith_short_8: UYAOX6V7

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/UYAOX6V7KPS6IMDCF3GNL3NBWM \
  | 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: a600ebfabf53e5e430622eccd5eda1b319f04e5aeb77ae0c3d9d2ea5d3459bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e1cd5e160817fbc12e88b47ebf55bd0f33708743eb5888b8ebb62b2bfe6f90",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-17T19:19:07Z",
    "title_canon_sha256": "73d63f12b7dbe5680b95f9b5cf43e21366ed6c80b04b2b7b45142070fb153333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09347",
    "kind": "arxiv",
    "version": 2
  }
}