Pith Number

pith:DQ732VZI

pith:2025:DQ732VZIJAED3AIJNVWW2DNEAB

not attested not anchored not stored refs pending

Testing the problem of time with cold atoms

Giovanni Barontini

arxiv:2509.07745 v3 · 2025-09-09 · gr-qc · 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{DQ732VZIJAED3AIJNVWW2DNEAB}

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	2026-06-12T01:09:13.236058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3fbd572848083d81096d6d6d0da4007edd3c613de444e1d44511c387b4d79e

Aliases

arxiv: 2509.07745 · arxiv_version: 2509.07745v3 · doi: 10.48550/arxiv.2509.07745 · pith_short_12: DQ732VZIJAED · pith_short_16: DQ732VZIJAED3AIJ · pith_short_8: DQ732VZI

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/DQ732VZIJAED3AIJNVWW2DNEAB \
  | 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: 1c3fbd572848083d81096d6d6d0da4007edd3c613de444e1d44511c387b4d79e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1acbddd3784ae48a7b276b723ae8725d87dec61832cfd89191948fc4b8d31521",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-09-09T13:47:03Z",
    "title_canon_sha256": "7c58dc7436903d347cff7f2db85cd31351bc4eeb15a77147ab2a0618e4e76f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07745",
    "kind": "arxiv",
    "version": 3
  }
}