Pith Number

pith:KW3BFHD3

pith:1996:KW3BFHD3DOB33FDAZWA7AUGPRB

not attested not anchored not stored refs pending

Testing the Equivalence Principle using Atomic Vacuum Energy Shifts

C. Alvarez, R.B. Mann

arxiv:gr-qc/9612031 v1 · 1996-12-12 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KW3BFHD3DOB33FDAZWA7AUGPRB}

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.

Cited by

1 paper in Pith

The Confrontation between General Relativity and Experiment

Receipt and verification

First computed	2026-05-18T01:39:19.173359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b6129c7b1b83bd9460cd81f050cf88664cdf504a43a028faa23d9dc11b338c

Aliases

arxiv: gr-qc/9612031 · arxiv_version: gr-qc/9612031v1 · doi: 10.48550/arxiv.gr-qc/9612031 · pith_short_12: KW3BFHD3DOB3 · pith_short_16: KW3BFHD3DOB33FDA · pith_short_8: KW3BFHD3

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/KW3BFHD3DOB33FDAZWA7AUGPRB \
  | 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: 55b6129c7b1b83bd9460cd81f050cf88664cdf504a43a028faa23d9dc11b338c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cec7a8ce77a22bf373f18e347aa91ee2456e2f3a8ccf2d86a4d53e8fbf353713",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-12-12T17:57:15Z",
    "title_canon_sha256": "ad364fa3862b5e6eb7a08ce4612c9b835ab248eeea4bf4f01d9893044b1e6e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9612031",
    "kind": "arxiv",
    "version": 1
  }
}