Pith Number

pith:BUYJ7W7V

pith:2005:BUYJ7W7V444ILELOJEBYPHQ6X3

not attested not anchored not stored refs pending

Quantum estimation of relative information

Dagmar Bruss, Netanel H. Lindner, Petra F. Scudo

arxiv:quant-ph/0506223 v2 · 2005-06-27 · 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{BUYJ7W7V444ILELOJEBYPHQ6X3}

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	2026-07-04T15:14:02.294805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d309fdbf5e73885916e4903879e1ebef9e594d1fa1dfa3db60a1222bd4c9d9f

Aliases

arxiv: quant-ph/0506223 · arxiv_version: quant-ph/0506223v2 · doi: 10.48550/arxiv.quant-ph/0506223 · pith_short_12: BUYJ7W7V444I · pith_short_16: BUYJ7W7V444ILELO · pith_short_8: BUYJ7W7V

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/BUYJ7W7V444ILELOJEBYPHQ6X3 \
  | 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: 0d309fdbf5e73885916e4903879e1ebef9e594d1fa1dfa3db60a1222bd4c9d9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65ca414c965d7e9a2d5ae841b9393a98f55b4435319cb7f39fa8b8b4be1700ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-06-27T16:17:50Z",
    "title_canon_sha256": "46d9a0d7e0c048c37a3cc2a916d9a3f52665cd7ad0db000b1b29fda99995b8d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0506223",
    "kind": "arxiv",
    "version": 2
  }
}