Pith Number

pith:ZLEGMHVR

pith:2002:ZLEGMHVRSTQL6RQPX6S6ECDCMA

not attested not anchored not stored refs pending

Quantum authentication with unitary coding sets

David J. Santos, Esther Perez, Marcos Curty, Priscila Garcia-Fernandez

arxiv:quant-ph/0209061 v1 · 2002-09-09 · 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{ZLEGMHVRSTQL6RQPX6S6ECDCMA}

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	2026-05-18T01:37:59.892831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cac8661eb194e0bf460fbfa5e2086260293a9186f8828f99ede82c242d62f2a0

Aliases

arxiv: quant-ph/0209061 · arxiv_version: quant-ph/0209061v1 · doi: 10.48550/arxiv.quant-ph/0209061 · pith_short_12: ZLEGMHVRSTQL · pith_short_16: ZLEGMHVRSTQL6RQP · pith_short_8: ZLEGMHVR

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/ZLEGMHVRSTQL6RQPX6S6ECDCMA \
  | 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: cac8661eb194e0bf460fbfa5e2086260293a9186f8828f99ede82c242d62f2a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae502e30bf5b0a61e16eb0a7e6fefe3bbc5d9a71094c4513b7e4860a8b4995fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-09-09T10:17:13Z",
    "title_canon_sha256": "074473a5759b68284cb07985978739276b34a010886ab89e93452925bd47df8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0209061",
    "kind": "arxiv",
    "version": 1
  }
}