Pith Number

pith:2WBI2B2F

pith:2026:2WBI2B2F64LCCDMX6J7ROG7CNJ

not attested not anchored not stored refs pending

Tight relation between the physical effects of a quantum measurement and the information gained about an observable

Holger F. Hofmann, Natsuki Ogo

arxiv:2606.05767 v1 · 2026-06-04 · 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{2WBI2B2F64LCCDMX6J7ROG7CNJ}

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	2026-06-05T01:15:02.420380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5828d0745f716210d97f27f171be26a4c0f0346f4cae130b436ca401497d3d7

Aliases

arxiv: 2606.05767 · arxiv_version: 2606.05767v1 · doi: 10.48550/arxiv.2606.05767 · pith_short_12: 2WBI2B2F64LC · pith_short_16: 2WBI2B2F64LCCDMX · pith_short_8: 2WBI2B2F

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/2WBI2B2F64LCCDMX6J7ROG7CNJ \
  | 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: d5828d0745f716210d97f27f171be26a4c0f0346f4cae130b436ca401497d3d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "933d9b1e2c64e90a686a6c9a48dfdee3f5cf2c25aceb742df34d49cf48133d4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-04T06:48:24Z",
    "title_canon_sha256": "4f20bff99c2b5911d39075ab40e65a75d84636304ee1fc009b561cff7482b67b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05767",
    "kind": "arxiv",
    "version": 1
  }
}