Pith Number

pith:VFFINFV6

pith:2023:VFFINFV6CTGRDEV42UNUOUWKCN

not attested not anchored not stored refs pending

On the Impossibility of General Parallel Fast-forwarding of Hamiltonian Simulation

Han-Hsuan Lin, Kai-Min Chung, Nai-Hui Chia, Yao-Ching Hsieh, Yao-Ting Lin, Yu-Ching Shen

arxiv:2305.12444 v1 · 2023-05-21 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFFINFV6CTGRDEV42UNUOUWKCN}

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	2026-07-05T06:12:10.615300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94a8696be14cd1192bcd51b4752ca13588645eb74d841812a13750cadd1ea73

Aliases

arxiv: 2305.12444 · arxiv_version: 2305.12444v1 · doi: 10.48550/arxiv.2305.12444 · pith_short_12: VFFINFV6CTGR · pith_short_16: VFFINFV6CTGRDEV4 · pith_short_8: VFFINFV6

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/VFFINFV6CTGRDEV42UNUOUWKCN \
  | 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: a94a8696be14cd1192bcd51b4752ca13588645eb74d841812a13750cadd1ea73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bff2507297709c7d407fad26a3f8572d7b8c9aca3a79cba17e0cd046874bf4e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-05-21T12:30:00Z",
    "title_canon_sha256": "6e2743fc9f03a446532732bc8761c69196e84dccc8f225455683c4e6bcbebdf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12444",
    "kind": "arxiv",
    "version": 1
  }
}