Pith Number

pith:ZF7BJPWC

pith:2008:ZF7BJPWCVPYLH5KDQAT6SHU76U

not attested not anchored not stored refs pending

Fast quantum algorithms for approximating some irreducible representations of groups

Stephen P. Jordan

arxiv:0811.0562 v2 · 2008-11-04 · 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{ZF7BJPWCVPYLH5KDQAT6SHU76U}

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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

On the hardness of cloning and connections to representation theory

Receipt and verification

First computed	2026-07-04T15:41:31.506872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c97e14bec2abf0b3f5438027e91e9ff51cf1f8c5975d2560f63f6b53b69cc048

Aliases

arxiv: 0811.0562 · arxiv_version: 0811.0562v2 · doi: 10.48550/arxiv.0811.0562 · pith_short_12: ZF7BJPWCVPYL · pith_short_16: ZF7BJPWCVPYLH5KD · pith_short_8: ZF7BJPWC

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/ZF7BJPWCVPYLH5KDQAT6SHU76U \
  | 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: c97e14bec2abf0b3f5438027e91e9ff51cf1f8c5975d2560f63f6b53b69cc048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ea01d4e646bd281e22c1035566254a40b0874ec942ff401ffaa1160dbbdf9bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-04T18:08:09Z",
    "title_canon_sha256": "2ff5f9314a76f7ebc4d8cfdf928b2ed1209f272bea3fef2da248d81fcab8df09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0562",
    "kind": "arxiv",
    "version": 2
  }
}