Pith Number

pith:LPHG5KHR

pith:2026:LPHG5KHR7MGFESPUASSFVIF32V

not attested not anchored not stored refs pending

Impossibility of Perfectly Complete Many-Round Key Agreement in the QROM

Longcheng Li, Qian Li, Qipeng Liu, Xingjian Li

arxiv:2608.03824 v1 · 2026-08-04 · 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{LPHG5KHR7MGFESPUASSFVIF32V}

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	2026-08-05T01:37:12.550649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bce6ea8f1fb0c5249f404a45aa0bbd5689fbc482b2b32cdf062b002ad8d6267

Aliases

arxiv: 2608.03824 · arxiv_version: 2608.03824v1 · doi: 10.48550/arxiv.2608.03824 · pith_short_12: LPHG5KHR7MGF · pith_short_16: LPHG5KHR7MGFESPU · pith_short_8: LPHG5KHR

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/LPHG5KHR7MGFESPUASSFVIF32V \
  | 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: 5bce6ea8f1fb0c5249f404a45aa0bbd5689fbc482b2b32cdf062b002ad8d6267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06fa3b673067ab8f1b9eaea018e2b45ef2a7c3e906331661aa52428e3dfd7399",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-04T15:33:42Z",
    "title_canon_sha256": "3d23335189cf07bbe17b26f93c3f2ab8c248d00e87e3d417f7055a5d18fe0d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03824",
    "kind": "arxiv",
    "version": 1
  }
}