Pith Number

pith:6BKYRBTA

pith:2011:6BKYRBTAFV3EJJCMKONBRRNA2X

not attested not anchored not stored refs pending

Getting Beyond the State of the Art of Information Retrieval with Quantum Theory

Massimo Melucci

arxiv:1108.5575 v1 · 2011-08-29 · cs.IR · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BKYRBTAFV3EJJCMKONBRRNA2X}

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	2026-05-18T04:14:37.226814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0558886602d7644a44c539a18c5a0d5df89a72af834d46e07912e45bdd3623a

Aliases

arxiv: 1108.5575 · arxiv_version: 1108.5575v1 · doi: 10.48550/arxiv.1108.5575 · pith_short_12: 6BKYRBTAFV3E · pith_short_16: 6BKYRBTAFV3EJJCM · pith_short_8: 6BKYRBTA

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/6BKYRBTAFV3EJJCMKONBRRNA2X \
  | 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: f0558886602d7644a44c539a18c5a0d5df89a72af834d46e07912e45bdd3623a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab49b91b03f701a7cbd8b544e59348d1d5dcb67b73da37279f12e2dfcb5e135",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-08-29T14:37:39Z",
    "title_canon_sha256": "433905fc65fe7910b607f8ef8aba404f3e81357fb0c6f04d88df553300f63669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5575",
    "kind": "arxiv",
    "version": 1
  }
}