Pith Number

pith:YCYEFD7N

pith:2020:YCYEFD7N42UJPZOEV5NNSITHC5

not attested not anchored not stored refs pending

A Precise Photometric Ratio via Laser Excitation of the Sodium Layer II: Two-photon Excitation Using Lasers Detuned from 589.16 nm and 819.71 nm Resonances

D. Budker, F. Pedreros Bustos, H. R. Sadeghpour, I. E. Gordon, J. Albert, K. Chance, M. Pospelov, S. M. Rochester

arxiv:2010.08683 v3 · 2020-10-17 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCYEFD7N42UJPZOEV5NNSITHC5}

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	2026-07-05T03:25:11.058799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0b0428fede6a897e5c4af5ad92267175b6bf791f122383438c9e2862206b71b

Aliases

arxiv: 2010.08683 · arxiv_version: 2010.08683v3 · doi: 10.48550/arxiv.2010.08683 · pith_short_12: YCYEFD7N42UJ · pith_short_16: YCYEFD7N42UJPZOE · pith_short_8: YCYEFD7N

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/YCYEFD7N42UJPZOEV5NNSITHC5 \
  | 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: c0b0428fede6a897e5c4af5ad92267175b6bf791f122383438c9e2862206b71b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fbe33e3163d6f404b4dd83c53eb128f6624a95af51e1e20f6445c704fba31b5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-10-17T00:52:42Z",
    "title_canon_sha256": "6f46837130406ce7c86576815a4edf6c1a0deeb47845ff2a4e5fd0702e50e1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.08683",
    "kind": "arxiv",
    "version": 3
  }
}