Pith Number

pith:F4RFOVNQ

pith:2005:F4RFOVNQOOFGTM4M5SGRCL6INK

not attested not anchored not stored refs pending

Qdensity - a Mathematica Quantum Computer Simulation

B. Juli\'a-D\'iaz, F. Tabakin, J. M. Burdis

arxiv:quant-ph/0508101 v2 · 2005-08-15 · quant-ph · physics.comp-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{F4RFOVNQOOFGTM4M5SGRCL6INK}

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	2026-05-18T01:08:45.607585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f225755b0738a69b38cec8d112fc86a8e1eb5ca09a914d055469cbd0c81e812

Aliases

arxiv: quant-ph/0508101 · arxiv_version: quant-ph/0508101v2 · doi: 10.48550/arxiv.quant-ph/0508101 · pith_short_12: F4RFOVNQOOFG · pith_short_16: F4RFOVNQOOFGTM4M · pith_short_8: F4RFOVNQ

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/F4RFOVNQOOFGTM4M5SGRCL6INK \
  | 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: 2f225755b0738a69b38cec8d112fc86a8e1eb5ca09a914d055469cbd0c81e812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ffd14bd06e1c0356c0d3098a5f3d2069a599c84fb229b340af91db7f805d83",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-08-15T14:48:12Z",
    "title_canon_sha256": "e8540ae98252a3dde1f417981864db101d3413006326cebc40634fa36dfbf07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0508101",
    "kind": "arxiv",
    "version": 2
  }
}