pith. sign in
Pith Number

pith:6X6QDGJY

pith:2010:6X6QDGJYGCUWNIKNQNGJN2TND2
not attested not anchored not stored refs pending

Reply to: Atom gravimeters and the gravitational redshift

Achim Peters, Holger Mueller, Steven Chu

arxiv:1009.1838 v1 · 2010-09-09 · gr-qc · physics.atom-ph · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6X6QDGJYGCUWNIKNQNGJN2TND2}

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 2026-05-18T04:36:08.348292Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5fd01993830a966a14d834c96ea6d1eac362f7a26056930aae4396f4041541d

Aliases

arxiv: 1009.1838 · arxiv_version: 1009.1838v1 · doi: 10.48550/arxiv.1009.1838 · pith_short_12: 6X6QDGJYGCUW · pith_short_16: 6X6QDGJYGCUWNIKN · pith_short_8: 6X6QDGJY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6X6QDGJYGCUWNIKNQNGJN2TND2 \
  | 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: f5fd01993830a966a14d834c96ea6d1eac362f7a26056930aae4396f4041541d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7f74aaeafe86342a786bb3f38ac6efad5351d01e73018ba35c433adb849eeca7",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-09T18:05:49Z",
    "title_canon_sha256": "8dcadd32696d52aa8a807cb7235d06759c11527a6ee616a3a67c6433b3d51086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1838",
    "kind": "arxiv",
    "version": 1
  }
}