Pith Number

pith:UU4SVX3J

pith:2009:UU4SVX3JOCWPKOL2FBAMLON4WN

not attested not anchored not stored refs pending

Towards high-speed optical quantum memories

B. J. Sussman, D. Jaksch, I. A. Walmsley, J. Nunn, K.C. Lee, K. F. Reim, N. K. Langford, V. O. Lorenz

arxiv:0912.2970 v1 · 2009-12-15 · 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{UU4SVX3JOCWPKOL2FBAMLON4WN}

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	2026-05-18T02:10:23.303435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5392adf6970acf5397a2840c5b9bcb34e9d1b54f9006b94497bc52d815cff2a

Aliases

arxiv: 0912.2970 · arxiv_version: 0912.2970v1 · doi: 10.48550/arxiv.0912.2970 · pith_short_12: UU4SVX3JOCWP · pith_short_16: UU4SVX3JOCWPKOL2 · pith_short_8: UU4SVX3J

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/UU4SVX3JOCWPKOL2FBAMLON4WN \
  | 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: a5392adf6970acf5397a2840c5b9bcb34e9d1b54f9006b94497bc52d815cff2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c820ebb1b3dc38b3fdd5540c63530a1f37787688deb2364e3f3cd7c6e0a64c64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-15T17:51:58Z",
    "title_canon_sha256": "1a218a3d20b08e475bfb65fb24b8bfe83ed091bfb006c51c958b884c5d2895fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2970",
    "kind": "arxiv",
    "version": 1
  }
}