Pith Number

pith:UA4M4SA7

pith:2002:UA4M4SA7YGMR6GDVVHULC5EE3B

not attested not anchored not stored refs pending

Deformation quantization in the teaching of quantum mechanics

Allen C. Hirshfeld, Peter Henselder

arxiv:quant-ph/0208163 v1 · 2002-08-27 · 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{UA4M4SA7YGMR6GDVVHULC5EE3B}

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	2026-05-18T01:37:59.935119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a038ce481fc1991f1875a9e8b17484d87e220a5c62cb7c5ae0866c794a8a1cb2

Aliases

arxiv: quant-ph/0208163 · arxiv_version: quant-ph/0208163v1 · doi: 10.48550/arxiv.quant-ph/0208163 · pith_short_12: UA4M4SA7YGMR · pith_short_16: UA4M4SA7YGMR6GDV · pith_short_8: UA4M4SA7

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/UA4M4SA7YGMR6GDVVHULC5EE3B \
  | 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: a038ce481fc1991f1875a9e8b17484d87e220a5c62cb7c5ae0866c794a8a1cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95225846cc566ca610aa74624f7b82d8251ec95eff92c0ddfeb00afce8848462",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-08-27T10:41:36Z",
    "title_canon_sha256": "36d9df4e07f5c7a34429371bfdebe40053876729f8b95dc04e8015aad9aba0d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0208163",
    "kind": "arxiv",
    "version": 1
  }
}