Pith Number

pith:OGAPCYXS

pith:2008:OGAPCYXSJGSSFTFTBVOFDOYOLV

not attested not anchored not stored refs pending

Semi-Quantum Key Distribution

Dan Kenigsberg, Michel Boyer, Ran Gelles, Tal Mor

arxiv:0812.4835 v1 · 2008-12-28 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGAPCYXSJGSSFTFTBVOFDOYOLV}

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	2026-05-18T04:09:56.594138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7180f162f249a522ccb30d5c51bb0e5d7dad76f4fd69ebf925f89e59f9fb89bc

Aliases

arxiv: 0812.4835 · arxiv_version: 0812.4835v1 · doi: 10.48550/arxiv.0812.4835 · pith_short_12: OGAPCYXSJGSS · pith_short_16: OGAPCYXSJGSSFTFT · pith_short_8: OGAPCYXS

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/OGAPCYXSJGSSFTFTBVOFDOYOLV \
  | 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: 7180f162f249a522ccb30d5c51bb0e5d7dad76f4fd69ebf925f89e59f9fb89bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde40154c94934a0a13670bf4a83aaab92695e680338c85b0e9afc618719af12",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-28T18:15:05Z",
    "title_canon_sha256": "c3b8a16fee8b897e3e5314898f2939d2104c90a359af3fbecf32f966b9199710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4835",
    "kind": "arxiv",
    "version": 1
  }
}