Pith Number

pith:44NFCRSK

pith:2011:44NFCRSKSU6AASTOLELKN5DNEV

not attested not anchored not stored refs pending

Equivalence Principle and Gravitational Redshift

Achim Peters, Holger Mueller, Michael A. Hohensee, Steven Chu

arxiv:1102.4362 v2 · 2011-02-21 · gr-qc · physics.atom-ph · 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{44NFCRSKSU6AASTOLELKN5DNEV}

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	2026-05-18T02:22:31.358706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e71a51464a953c004a6e5916a6f46d25534a34c8df2dadc3ba48f50b19f48fbb

Aliases

arxiv: 1102.4362 · arxiv_version: 1102.4362v2 · doi: 10.48550/arxiv.1102.4362 · pith_short_12: 44NFCRSKSU6A · pith_short_16: 44NFCRSKSU6AASTO · pith_short_8: 44NFCRSK

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/44NFCRSKSU6AASTOLELKN5DNEV \
  | 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: e71a51464a953c004a6e5916a6f46d25534a34c8df2dadc3ba48f50b19f48fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359c76b421b125f627ad1c477cc62301c3c4eeccdf5ef433ab1772d35c4ff05e",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-02-21T22:51:43Z",
    "title_canon_sha256": "bbddfcbb0cafb5a08f155b02b8aef056e502245c85919cecaaac45ab667aff88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4362",
    "kind": "arxiv",
    "version": 2
  }
}