Pith Number

pith:SD43GRNL

pith:2026:SD43GRNLAKPYTUALDKL6A7VM2F

not attested not anchored not stored refs pending

Interspecies clock comparison below $5 \times 10^{-18}$ uncertainty with a transportable clock

Chetan Vishwakarma, Christian Lisdat, Erik Benkler, Ingo Nosske, Martin Steinel, Melina Filzinger, Nils Huntemann, S\"oren D\"orscher, Tim L\"ucke

arxiv:2608.01916 v1 · 2026-08-03 · 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{SD43GRNLAKPYTUALDKL6A7VM2F}

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	2026-08-04T02:07:38.210415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f9b345ab029f89d00b1a97e07eacd152f4695d8bd8f37f8c25f4510ba18a61

Aliases

arxiv: 2608.01916 · arxiv_version: 2608.01916v1 · doi: 10.48550/arxiv.2608.01916 · pith_short_12: SD43GRNLAKPY · pith_short_16: SD43GRNLAKPYTUAL · pith_short_8: SD43GRNL

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/SD43GRNLAKPYTUALDKL6A7VM2F \
  | 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: 90f9b345ab029f89d00b1a97e07eacd152f4695d8bd8f37f8c25f4510ba18a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef8a750723c1a8793d17d1ec086b212ccfd9179dc8984fb221a49c7753e1061",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-08-03T08:48:18Z",
    "title_canon_sha256": "6cbeda0c78d2cd1dfbed0489e533ed7322c64214f2a8b254acf0f4da21952a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01916",
    "kind": "arxiv",
    "version": 1
  }
}