Pith Number

pith:4UGIP4EF

pith:2003:4UGIP4EF4KBJWMPLKAPJ4DNQRU

not attested not anchored not stored refs pending

That strange procedure called quantisation

Domenico Giulini

arxiv:quant-ph/0304202 v1 · 2003-04-30 · quant-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UGIP4EF4KBJWMPLKAPJ4DNQRU}

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	2026-05-18T01:37:59.395125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50c87f085e2829b31eb501e9e0db08d36cb666ec09fd76311288a5e10583055

Aliases

arxiv: quant-ph/0304202 · arxiv_version: quant-ph/0304202v1 · doi: 10.48550/arxiv.quant-ph/0304202 · pith_short_12: 4UGIP4EF4KBJ · pith_short_16: 4UGIP4EF4KBJWMPL · pith_short_8: 4UGIP4EF

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/4UGIP4EF4KBJWMPLKAPJ4DNQRU \
  | 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: e50c87f085e2829b31eb501e9e0db08d36cb666ec09fd76311288a5e10583055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be4e09b5bfbe4d745194c7ab915904483fd07521584d5a3ea10895c86d285d8e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-04-30T12:55:53Z",
    "title_canon_sha256": "6b8e9a5e5f2f4e2abf15618c6f95075486484777791398437501d436460e2d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0304202",
    "kind": "arxiv",
    "version": 1
  }
}