Pith Number

pith:SDJJGHET

pith:2001:SDJJGHETJLOXF4D7IILKGH5QLF

not attested not anchored not stored refs pending

On the quantification of entanglement in infinite-dimensional quantum systems

Christoph Simon, Jens Eisert, Martin B. Plenio

arxiv:quant-ph/0112064 v3 · 2001-12-11 · 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{SDJJGHETJLOXF4D7IILKGH5QLF}

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	2026-07-04T16:29:44.438186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d2931c934add72f07f4216a31fb0596d4226206a3524f945ff3a8cea2683c3

Aliases

arxiv: quant-ph/0112064 · arxiv_version: quant-ph/0112064v3 · doi: 10.48550/arxiv.quant-ph/0112064 · pith_short_12: SDJJGHETJLOX · pith_short_16: SDJJGHETJLOXF4D7 · pith_short_8: SDJJGHET

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/SDJJGHETJLOXF4D7IILKGH5QLF \
  | 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: 90d2931c934add72f07f4216a31fb0596d4226206a3524f945ff3a8cea2683c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f58619dca346d373e4600f05b92137d113a50f173f25f9e27250a6fa9b76b2ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-12-11T15:34:51Z",
    "title_canon_sha256": "def7eef82c0d5dbcef77af0ac813766d187d71fe9a6ab13f0f1180a8bed39c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112064",
    "kind": "arxiv",
    "version": 3
  }
}