Pith Number

pith:L5LT2E2D

pith:2013:L5LT2E2DZW4R26GAK74FCHOJY7

not attested not anchored not stored refs pending

A Note on the Quantum Collision and Set Equality Problems

Mark Zhandry

arxiv:1312.1027 v3 · 2013-12-04 · cs.CC · 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{L5LT2E2DZW4R26GAK74FCHOJY7}

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	2026-05-18T03:05:00.995023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f573d1343cdb91d78c057f8511dc9c7ebef9a0cb0822d26fc9d2ca963688ab7

Aliases

arxiv: 1312.1027 · arxiv_version: 1312.1027v3 · doi: 10.48550/arxiv.1312.1027 · pith_short_12: L5LT2E2DZW4R · pith_short_16: L5LT2E2DZW4R26GA · pith_short_8: L5LT2E2D

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/L5LT2E2DZW4R26GAK74FCHOJY7 \
  | 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: 5f573d1343cdb91d78c057f8511dc9c7ebef9a0cb0822d26fc9d2ca963688ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a53d08e933076f501a696379b3b88ac652b306b97e9255aec9f35c15f60ab0cf",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-12-04T05:37:09Z",
    "title_canon_sha256": "662300122b511e2168904f276a14b5d299da2e50d55a702cec8c0ae0017b1dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1027",
    "kind": "arxiv",
    "version": 3
  }
}