Pith Number

pith:VYQZXMNB

pith:2025:VYQZXMNB6U7UHLYLJ5XPQBYT3Z

not attested not anchored not stored refs pending

Beyond Copenhagen: Following the Trail of Decoherence in Feynman's Light Microscope

Brian C. Odom

arxiv:2508.13385 v4 · 2025-08-18 · 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{VYQZXMNB6U7UHLYLJ5XPQBYT3Z}

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	2026-07-05T12:09:23.033209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae219bb1a1f53f43af0b4f6ef80713de4c4faf5931076929fa3a2cb7e2f954aa

Aliases

arxiv: 2508.13385 · arxiv_version: 2508.13385v4 · doi: 10.48550/arxiv.2508.13385 · pith_short_12: VYQZXMNB6U7U · pith_short_16: VYQZXMNB6U7UHLYL · pith_short_8: VYQZXMNB

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/VYQZXMNB6U7UHLYLJ5XPQBYT3Z \
  | 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: ae219bb1a1f53f43af0b4f6ef80713de4c4faf5931076929fa3a2cb7e2f954aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49af2cd1b0061740ef62b0bb94be43efe6359c18ca31923d6a0b489ee63dba1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-18T22:01:37Z",
    "title_canon_sha256": "feebb5621d8de2c930de898e13bab1587601ab2dfd2326e89d85ef0a498f2711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13385",
    "kind": "arxiv",
    "version": 4
  }
}