Pith Number

pith:YYKD7AUL

pith:2018:YYKD7AULEZH7QHR4P7S5TEZ7UV

not attested not anchored not stored refs pending

Estimation of gravitational acceleration with quantum optical interferometers

S. Y. Chen, T. C. Ralph

arxiv:1807.10405 v1 · 2018-07-27 · 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{YYKD7AULEZH7QHR4P7S5TEZ7UV}

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	2026-05-17T23:54:43.768092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6143f828b264ff81e3c7fe5d9933fa54e4b7007794c79d4d8ad5a16a89c0bf8

Aliases

arxiv: 1807.10405 · arxiv_version: 1807.10405v1 · doi: 10.48550/arxiv.1807.10405 · pith_short_12: YYKD7AULEZH7 · pith_short_16: YYKD7AULEZH7QHR4 · pith_short_8: YYKD7AUL

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/YYKD7AULEZH7QHR4P7S5TEZ7UV \
  | 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: c6143f828b264ff81e3c7fe5d9933fa54e4b7007794c79d4d8ad5a16a89c0bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "180941435e85a821546c71e896d0e7436c7b5646de0dd6ff8da49b3ccc78bc82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-27T01:08:54Z",
    "title_canon_sha256": "ca958cfcf2cf7027755234146b58f2c8d20f1aeda6193f41907122301c17326d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10405",
    "kind": "arxiv",
    "version": 1
  }
}