Pith Number

pith:77A2GKSD

pith:2009:77A2GKSDVFNTFZ3F5N47HDQTXV

not attested not anchored not stored refs pending

Cooling atoms into entangled states

Almut Beige, Giovanni Vacanti

arxiv:0903.2796 v3 · 2009-03-16 · 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{77A2GKSDVFNTFZ3F5N47HDQTXV}

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	2026-05-18T02:14:27.963410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc1a32a43a95b32e765eb79f38e13bd600311b1b840b1daa548c3ec2465f1ae

Aliases

arxiv: 0903.2796 · arxiv_version: 0903.2796v3 · doi: 10.48550/arxiv.0903.2796 · pith_short_12: 77A2GKSDVFNT · pith_short_16: 77A2GKSDVFNTFZ3F · pith_short_8: 77A2GKSD

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/77A2GKSDVFNTFZ3F5N47HDQTXV \
  | 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: ffc1a32a43a95b32e765eb79f38e13bd600311b1b840b1daa548c3ec2465f1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce2498dc7200be25d7df808f9cd15101be0a3db6cf301213025ed53bdc3ae1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-16T16:29:02Z",
    "title_canon_sha256": "441fb98dfb0377874e9a06a272570a1181c491b63cf7c13d812e41d0cf72ba72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2796",
    "kind": "arxiv",
    "version": 3
  }
}