Pith Number

pith:XMZLJTZ4

pith:2022:XMZLJTZ4NYVEZAJFCXMUAD6MDL

not attested not anchored not stored refs pending

Constructive Post-Quantum Reductions

Nir Bitansky, Yael Tauman Kalai, Zvika Brakerski

arxiv:2203.02314 v1 · 2022-03-04 · quant-ph · cs.CC · 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{XMZLJTZ4NYVEZAJFCXMUAD6MDL}

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	2026-07-05T04:02:03.579772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c

Aliases

arxiv: 2203.02314 · arxiv_version: 2203.02314v1 · doi: 10.48550/arxiv.2203.02314 · pith_short_12: XMZLJTZ4NYVE · pith_short_16: XMZLJTZ4NYVEZAJF · pith_short_8: XMZLJTZ4

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/XMZLJTZ4NYVEZAJFCXMUAD6MDL \
  | 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: bb32b4cf3c6e2a4c812515d9400fcc1ac8a3d4c156e199744fcb4626b713dc2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436ff647fedae624af330c09cc206b76f4cd8d5c859089f362c0c2fccc0e0526",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-04T13:46:34Z",
    "title_canon_sha256": "66b3cfff0e2e8d130aa6d08209661b9feb0c460c68ff639978dfd87f355f1f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.02314",
    "kind": "arxiv",
    "version": 1
  }
}