Pith Number

pith:QEQ3NHPU

pith:2005:QEQ3NHPUHTPSUAME2LIA75CGSN

not attested not anchored not stored refs pending

Reply to: 'Reply to: "Comment on: `How much security does Y-00 protocol provide us?` " '

Eric Corndorf, Horace P. Yuen, Prem Kumar, Ranjith Nair

arxiv:quant-ph/0509092 v1 · 2005-09-13 · 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{QEQ3NHPUHTPSUAME2LIA75CGSN}

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	2026-07-04T14:47:02.296649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8121b69df43cdf2a0184d2d00ff446937b697cd3aec8668005cd42530565df16

Aliases

arxiv: quant-ph/0509092 · arxiv_version: quant-ph/0509092v1 · doi: 10.48550/arxiv.quant-ph/0509092 · pith_short_12: QEQ3NHPUHTPS · pith_short_16: QEQ3NHPUHTPSUAME · pith_short_8: QEQ3NHPU

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/QEQ3NHPUHTPSUAME2LIA75CGSN \
  | 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: 8121b69df43cdf2a0184d2d00ff446937b697cd3aec8668005cd42530565df16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1159dcf7c236188d4c27855c356714c087b250ad35544af53a1ec245b9650f62",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-09-13T23:59:20Z",
    "title_canon_sha256": "fd4cb50828588a6d67a544f34bf493d2ce2a7aa4b1b3ef22d3a6f71fade493ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0509092",
    "kind": "arxiv",
    "version": 1
  }
}