Pith Number

pith:D2MDPJLZ

pith:2026:D2MDPJLZ6R2G5BX5VA3HYZQUXQ

not attested not anchored not stored refs pending

Unconditional Unclonable Encryption

Amit Sahai, Prabhanjan Ananth

arxiv:2607.21551 v1 · 2026-07-23 · 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{D2MDPJLZ6R2G5BX5VA3HYZQUXQ}

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

Statistically secure uncloneable encryption of arbitrary messages

Receipt and verification

First computed	2026-07-24T01:24:39.109675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9837a579f4746e86fda8367c6614bc2cbf31f8169ca4527d951968bf42faac

Aliases

arxiv: 2607.21551 · arxiv_version: 2607.21551v1 · doi: 10.48550/arxiv.2607.21551 · pith_short_12: D2MDPJLZ6R2G · pith_short_16: D2MDPJLZ6R2G5BX5 · pith_short_8: D2MDPJLZ

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/D2MDPJLZ6R2G5BX5VA3HYZQUXQ \
  | 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: 1e9837a579f4746e86fda8367c6614bc2cbf31f8169ca4527d951968bf42faac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5444c480f12769241dc4013ef7fe1aa44ee319c9f34bd4418581c0dd3a592546",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-23T17:35:44Z",
    "title_canon_sha256": "941bcecc68f70f65c0645c5a19988b714916a44ef3a3df43192f5cba52089ae6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21551",
    "kind": "arxiv",
    "version": 1
  }
}