Pith Number

pith:EZ2KIRMK

pith:2008:EZ2KIRMKZ3HGACNTOPCLY7TSKK

not attested not anchored not stored refs pending

Determination of the Newtonian Gravitational Constant Using Atom Interferometry

A. Bertoldi, G. Lamporesi, G.M. Tino, L. Cacciapuoti, M. Prevedelli

arxiv:0801.1580 v1 · 2008-01-10 · physics.atom-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{EZ2KIRMKZ3HGACNTOPCLY7TSKK}

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	2026-05-18T03:50:48.972811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2674a4458acece6009b373c4bc7e72528a2fa201d2809d371c1b92a842d6e945

Aliases

arxiv: 0801.1580 · arxiv_version: 0801.1580v1 · doi: 10.48550/arxiv.0801.1580 · pith_short_12: EZ2KIRMKZ3HG · pith_short_16: EZ2KIRMKZ3HGACNT · pith_short_8: EZ2KIRMK

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/EZ2KIRMKZ3HGACNTOPCLY7TSKK \
  | 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: 2674a4458acece6009b373c4bc7e72528a2fa201d2809d371c1b92a842d6e945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "462e0b76ed6134c172115b1817e72a14b884654c22bea10cc398505871938097",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-01-10T11:49:51Z",
    "title_canon_sha256": "60c78d42e173d303e531a524b82504acab98efc90a49b2b56a45752e45c0ba9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1580",
    "kind": "arxiv",
    "version": 1
  }
}