Pith Number

pith:3HWZ5CSF

pith:2025:3HWZ5CSFMPSOTN6DUGJWGATHJY

not attested not anchored not stored refs pending

Approaching the quantum-limited precision in frequency-comb-based spectral interferometry for length measurements

Heulbi Ahn, Jonghan Jin, Jungjae Park, Sunghoon Eom, Yoon-Soo Jang

arxiv:2501.10044 v1 · 2025-01-17 · physics.optics · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HWZ5CSFMPSOTN6DUGJWGATHJY}

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	2026-07-05T10:02:15.728475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ed9e8a4563e4e9b7c3a1936302674e31c6a1f4727707b022b87dcdb4ae1a8b

Aliases

arxiv: 2501.10044 · arxiv_version: 2501.10044v1 · doi: 10.48550/arxiv.2501.10044 · pith_short_12: 3HWZ5CSFMPSO · pith_short_16: 3HWZ5CSFMPSOTN6D · pith_short_8: 3HWZ5CSF

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/3HWZ5CSFMPSOTN6DUGJWGATHJY \
  | 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: d9ed9e8a4563e4e9b7c3a1936302674e31c6a1f4727707b022b87dcdb4ae1a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5afbb4982841257b6d924dfc209b2db675e07828896d489185645c08cef02b",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-17T09:02:06Z",
    "title_canon_sha256": "71746936d98b5dc0bff7cc579640f4ba7ff14ebadeea051508ab644be2b0b2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.10044",
    "kind": "arxiv",
    "version": 1
  }
}