Pith Number

pith:C6JSQ3UV

pith:2012:C6JSQ3UVI3M3JIMTR73JV5KLFA

not attested not anchored not stored refs pending

Quantum simulation of expanding space-time with tunnel-coupled condensates

Clemens Neuenhahn, Florian Marquardt

arxiv:1208.2255 v1 · 2012-08-10 · cond-mat.quant-gas · 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{C6JSQ3UVI3M3JIMTR73JV5KLFA}

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	2026-05-18T03:48:59.553708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1793286e9546d9b4a1938ff69af54b28121abe0e488e24beb89ec2f46a2ed588

Aliases

arxiv: 1208.2255 · arxiv_version: 1208.2255v1 · doi: 10.48550/arxiv.1208.2255 · pith_short_12: C6JSQ3UVI3M3 · pith_short_16: C6JSQ3UVI3M3JIMT · pith_short_8: C6JSQ3UV

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/C6JSQ3UVI3M3JIMTR73JV5KLFA \
  | 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: 1793286e9546d9b4a1938ff69af54b28121abe0e488e24beb89ec2f46a2ed588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484026189020175e6efb8518a4c863682bdb9cca87578490f3c33ded20038107",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-08-10T19:28:07Z",
    "title_canon_sha256": "9a56244cc0523ef20b1b52d57519f6790b3e4393d29e8260fb4ca5e26ab3ffaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2255",
    "kind": "arxiv",
    "version": 1
  }
}