Pith Number

pith:5JQHYNTI

pith:1997:5JQHYNTILR4RFLJM52ILANW5IU

not attested not anchored not stored refs pending

Are there basic laws of quantum information processing?

Michal Horodecki, Ryszard Horodecki

arxiv:quant-ph/9705003 v2 · 1997-05-06 · 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{5JQHYNTILR4RFLJM52ILANW5IU}

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	2026-07-04T16:06:29.174945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea607c36685c7912ad2cee90b036dd452c481ea6808f86fd64c54261a3833ef2

Aliases

arxiv: quant-ph/9705003 · arxiv_version: quant-ph/9705003v2 · doi: 10.48550/arxiv.quant-ph/9705003 · pith_short_12: 5JQHYNTILR4R · pith_short_16: 5JQHYNTILR4RFLJM · pith_short_8: 5JQHYNTI

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/5JQHYNTILR4RFLJM52ILANW5IU \
  | 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: ea607c36685c7912ad2cee90b036dd452c481ea6808f86fd64c54261a3833ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "223668c50ff9b8df3c17b4cb1169d82a88ef91277363d934eccd0f761e72bf50",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-05-06T08:22:46Z",
    "title_canon_sha256": "0e38d83cc73186c82797764c86064c38ed9218d681b823dc6845b7e0904b5525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9705003",
    "kind": "arxiv",
    "version": 2
  }
}