Pith Number

pith:R6GE7IPS

pith:2003:R6GE7IPSNDBC3PWWZTYEUHFBK3

not attested not anchored not stored refs pending

On the irreversibility of entanglement distillation

K.G.H. Vollbrecht, M.M. Wolf, R.F. Werner

arxiv:quant-ph/0301072 v1 · 2003-01-15 · 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{R6GE7IPSNDBC3PWWZTYEUHFBK3}

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	2026-07-04T16:42:24.169803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8c4fa1f268c22dbed6ccf04a1ca156f75b43c126030f59ae0ca327042fb1a4

Aliases

arxiv: quant-ph/0301072 · arxiv_version: quant-ph/0301072v1 · doi: 10.48550/arxiv.quant-ph/0301072 · pith_short_12: R6GE7IPSNDBC · pith_short_16: R6GE7IPSNDBC3PWW · pith_short_8: R6GE7IPS

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/R6GE7IPSNDBC3PWWZTYEUHFBK3 \
  | 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: 8f8c4fa1f268c22dbed6ccf04a1ca156f75b43c126030f59ae0ca327042fb1a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9e38b35243a4a4c454925edfe11b8f2eee559a8c5aa2d0a38a7a860c55086b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-01-15T16:18:35Z",
    "title_canon_sha256": "b764386f2865296f4335db966a1f4e1bc6a71fa3a1476a0391913a8a505762d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0301072",
    "kind": "arxiv",
    "version": 1
  }
}