Pith Number

pith:3VF3BWXY

pith:2025:3VF3BWXYDIZWX6Q675A3MESSXQ

not attested not anchored not stored refs pending

The Sponge is Quantum Indifferentiable

Christian Majenz, Gorjan Alagic, Joseph Carolan, Saliha Tokat

arxiv:2504.16887 v2 · 2025-04-23 · 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{3VF3BWXYDIZWX6Q675A3MESSXQ}

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.

Cited by

1 paper in Pith

The Compressed Oracle is a Worthy (Multiplicative) Adversary

Receipt and verification

First computed	2026-07-05T11:02:23.668140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4bb0daf81a336bfa1eff41b61252bc0026f58f89fd4973e51030a6f4ccee15

Aliases

arxiv: 2504.16887 · arxiv_version: 2504.16887v2 · doi: 10.48550/arxiv.2504.16887 · pith_short_12: 3VF3BWXYDIZW · pith_short_16: 3VF3BWXYDIZWX6Q6 · pith_short_8: 3VF3BWXY

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/3VF3BWXYDIZWX6Q675A3MESSXQ \
  | 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: dd4bb0daf81a336bfa1eff41b61252bc0026f58f89fd4973e51030a6f4ccee15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfb6106ffdb2e2e2c39b4b07dcfbbb91e72fed011535cbd74c405b2c10bda01",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-23T17:04:25Z",
    "title_canon_sha256": "89e0bc7b37ce2c0e41b624d1dbb9ebe8b9c154b91508ba79ea2d96d5d380cc16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16887",
    "kind": "arxiv",
    "version": 2
  }
}