Pith Number

pith:MUG4PKIZ

pith:2007:MUG4PKIZWFN5PYT7TKNDRESZSS

not attested not anchored not stored refs pending

Convolutional Entanglement Distillation

Hari Krovi, Mark M. Wilde, Todd A. Brun

arxiv:0708.3699 v2 · 2007-08-28 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUG4PKIZWFN5PYT7TKNDRESZSS}

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	2026-05-18T04:42:23.261759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

650dc7a919b15bd7e27f9a9a389259949aaccec04b58fd0fa77a9d8e7ce284e4

Aliases

arxiv: 0708.3699 · arxiv_version: 0708.3699v2 · doi: 10.48550/arxiv.0708.3699 · pith_short_12: MUG4PKIZWFN5 · pith_short_16: MUG4PKIZWFN5PYT7 · pith_short_8: MUG4PKIZ

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/MUG4PKIZWFN5PYT7TKNDRESZSS \
  | 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: 650dc7a919b15bd7e27f9a9a389259949aaccec04b58fd0fa77a9d8e7ce284e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f57be58feedf08920c91c01c3d5575523a5d88649d7ebbfc050f7564938520",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-08-28T00:11:09Z",
    "title_canon_sha256": "b4dd5d5609c663c671fe50febdc0b8b9ba9213019a3ef6a3f75604fde1494c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3699",
    "kind": "arxiv",
    "version": 2
  }
}