Pith Number

pith:V446A24G

pith:2018:V446A24GBHIQLCAXHRHLL2K6AV

not attested not anchored not stored refs pending

Atomic Clocks for Geodesy

Christian Lisdat, Gesine Grosche, Heiner Denker, Piet Schmidt, Tanja Mehlst\"aubler

arxiv:1803.01585 v1 · 2018-03-05 · physics.atom-ph · physics.geo-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{V446A24GBHIQLCAXHRHLL2K6AV}

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	2026-05-18T00:17:04.409757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af39e06b8609d10588173c4eb5e95e056a8557f9c7fc4830411b332894322917

Aliases

arxiv: 1803.01585 · arxiv_version: 1803.01585v1 · doi: 10.48550/arxiv.1803.01585 · pith_short_12: V446A24GBHIQ · pith_short_16: V446A24GBHIQLCAX · pith_short_8: V446A24G

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/V446A24GBHIQLCAXHRHLL2K6AV \
  | 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: af39e06b8609d10588173c4eb5e95e056a8557f9c7fc4830411b332894322917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0aab182fcc04e16c3d9842130d09d05e785b71f07066777680b441f7651810",
    "cross_cats_sorted": [
      "physics.geo-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-03-05T10:15:38Z",
    "title_canon_sha256": "22dce3a14e19926fdc497330cb99758a7dec1486605c42cce3f0d6695ae7cb5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01585",
    "kind": "arxiv",
    "version": 1
  }
}