Pith Number

pith:FCCQWKON

pith:2008:FCCQWKONHPD7FCXJPNFRLFSKJV

not attested not anchored not stored refs pending

A robust system for Quantum Computation using Coherent Population Trap states of neutral atoms

Ashok Vudayagiri

arxiv:0805.3239 v3 · 2008-05-21 · 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{FCCQWKONHPD7FCXJPNFRLFSKJV}

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	2026-05-18T03:46:45.912817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915

Aliases

arxiv: 0805.3239 · arxiv_version: 0805.3239v3 · doi: 10.48550/arxiv.0805.3239 · pith_short_12: FCCQWKONHPD7 · pith_short_16: FCCQWKONHPD7FCXJ · pith_short_8: FCCQWKON

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/FCCQWKONHPD7FCXJPNFRLFSKJV \
  | 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: 28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59fc48db1e26ea6eb4fa4db4e29d0bc97fbd48208266b458dc2534dedb424571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-05-21T09:44:51Z",
    "title_canon_sha256": "10fb1dd404afd96ebe0b1aaf686c4c79d348a6a73399d39214b7fe18a2bdd5ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3239",
    "kind": "arxiv",
    "version": 3
  }
}