Pith Number

pith:UQEIDUIK

pith:1995:UQEIDUIK3J2D2Z537R7HS5JPFG

not attested not anchored not stored refs pending

Intrinsic and operational observables in quantum mechanics

B. G. Englert, K. Wodkiewicz

arxiv:quant-ph/9502013 v1 · 1995-02-15 · 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{UQEIDUIK3J2D2Z537R7HS5JPFG}

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	2026-05-18T01:05:02.346652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40881d10ada743d67bbfc7e79752f298e6b72a526d9265cd8275ef1f58ccb64

Aliases

arxiv: quant-ph/9502013 · arxiv_version: quant-ph/9502013v1 · doi: 10.48550/arxiv.quant-ph/9502013 · pith_short_12: UQEIDUIK3J2D · pith_short_16: UQEIDUIK3J2D2Z53 · pith_short_8: UQEIDUIK

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/UQEIDUIK3J2D2Z537R7HS5JPFG \
  | 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: a40881d10ada743d67bbfc7e79752f298e6b72a526d9265cd8275ef1f58ccb64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111f4c6b048b0e4810a539f8b056350125a11a2ba9f10bc8fc5906c2f1b125c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1995-02-15T15:08:32Z",
    "title_canon_sha256": "1bffefd880ca8d0f4cb6870fa680e2c844957d02d1a4df4b7a9f75ea61736675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9502013",
    "kind": "arxiv",
    "version": 1
  }
}