Pith Number

pith:UARJMFN5

pith:2023:UARJMFN5YGCWYQA44CYYMBDT5R

not attested not anchored not stored refs pending

A large-momentum-transfer matter-wave interferometer to measure the effect of gravity on positronium

F. Castelli, G. M. Tino, G. Rosi, G. Vinelli, L. Salvi, M. Giammarchi, M. Rom\'e, M. Sacerdoti, R. Ferragut, V. Toso

arxiv:2303.11798 v2 · 2023-03-21 · physics.atom-ph · gr-qc · 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{UARJMFN5YGCWYQA44CYYMBDT5R}

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	2026-07-05T06:55:52.962501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0229615bdc1856c401ce0b1860473ec65fe59f89227e33f1caf85536d7c1cda

Aliases

arxiv: 2303.11798 · arxiv_version: 2303.11798v2 · doi: 10.48550/arxiv.2303.11798 · pith_short_12: UARJMFN5YGCW · pith_short_16: UARJMFN5YGCWYQA4 · pith_short_8: UARJMFN5

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/UARJMFN5YGCWYQA44CYYMBDT5R \
  | 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: a0229615bdc1856c401ce0b1860473ec65fe59f89227e33f1caf85536d7c1cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cba28566bea0ac936fd367453fb64ec88f02b499fca969bebc2abce4f7bcfa1",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2023-03-21T12:29:33Z",
    "title_canon_sha256": "768d1be605912917f79e278fc231ca4142b3431e01a4f9aba92082537a6751f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.11798",
    "kind": "arxiv",
    "version": 2
  }
}