Pith Number

pith:AKATOICV

pith:2013:AKATOICVK2KA4J7A5GEM4G6IGE

not attested not anchored not stored refs pending

Testing quantum physics in space using optically trapped nanospheres

Rainer Kaltenbaek

arxiv:1307.7021 v1 · 2013-07-26 · 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{AKATOICVK2KA4J7A5GEM4G6IGE}

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	2026-05-18T01:48:34.215198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

028137205556940e27e0e988ce1bc831252a6d7bddca3f1233e428d61fe8e3fd

Aliases

arxiv: 1307.7021 · arxiv_version: 1307.7021v1 · doi: 10.48550/arxiv.1307.7021 · pith_short_12: AKATOICVK2KA · pith_short_16: AKATOICVK2KA4J7A · pith_short_8: AKATOICV

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/AKATOICVK2KA4J7A5GEM4G6IGE \
  | 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: 028137205556940e27e0e988ce1bc831252a6d7bddca3f1233e428d61fe8e3fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca113649fc579a3cbda9d5727832f132ecbe11d8e259ec47f74541c35be8cffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-26T12:53:47Z",
    "title_canon_sha256": "53f38566955ca4051742f62a1d6876c4851f4efe5b33f6f0143a347d1e9c3168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7021",
    "kind": "arxiv",
    "version": 1
  }
}