Pith Number

pith:OBDTQPJ4

pith:2023:OBDTQPJ46A55ZLFIJT3FYYQNGJ

not attested not anchored not stored refs pending

GRASIAN: Towards the first demonstration of gravitational quantum states of atoms with a cryogenic hydrogen beam

Amit Nanda, Carina Killian, Eberhard Widmann, Francois Nez, Fredrik Gustafsson, Katharina Schreiner, Martin Simon, Otto Hanski, Paolo Crivelli, Pauline Yzombard, Philipp Blumer, Serge Reynaud, Sergey Vasiliev, Valery Nesvizhevsky, Zakary Burkley

arxiv:2301.12731 v2 · 2023-01-30 · physics.atom-ph · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBDTQPJ46A55ZLFIJT3FYYQNGJ}

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	2026-07-05T06:00:36.169269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7047383d3cf03bdcaca84cf65c620d32489098f0806a9699440b7df97630788c

Aliases

arxiv: 2301.12731 · arxiv_version: 2301.12731v2 · doi: 10.48550/arxiv.2301.12731 · pith_short_12: OBDTQPJ46A55 · pith_short_16: OBDTQPJ46A55ZLFI · pith_short_8: OBDTQPJ4

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/OBDTQPJ46A55ZLFIJT3FYYQNGJ \
  | 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: 7047383d3cf03bdcaca84cf65c620d32489098f0806a9699440b7df97630788c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e724d756857ff3ab44674d388769bdd9b41b1ec0df2dd28974d38091ccda112",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2023-01-30T08:55:59Z",
    "title_canon_sha256": "c89b9693be8f5b02029f491cbee21f82577f332178926eeed3191293d82c7147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.12731",
    "kind": "arxiv",
    "version": 2
  }
}