Pith Number

pith:OJEHUDN6

pith:2024:OJEHUDN63ZH35OE2KS4CCWTTFH

not attested not anchored not stored refs pending

Low-cost demonstration of the Zeeman effect: From qualitative observation to quantitative experiments

Shao-Han Qin, Yu-Han Ma

arxiv:2408.15142 v1 · 2024-08-27 · physics.ed-ph · physics.atom-ph · physics.ins-det · physics.optics · 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{OJEHUDN63ZH35OE2KS4CCWTTFH}

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	2026-05-20T00:04:04.913204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72487a0dbede4fbeb89a54b8215a7329ce33ecb676fb8a8959d4cd3fc26d5a52

Aliases

arxiv: 2408.15142 · arxiv_version: 2408.15142v1 · doi: 10.48550/arxiv.2408.15142 · pith_short_12: OJEHUDN63ZH3 · pith_short_16: OJEHUDN63ZH35OE2 · pith_short_8: OJEHUDN6

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/OJEHUDN63ZH35OE2KS4CCWTTFH \
  | 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: 72487a0dbede4fbeb89a54b8215a7329ce33ecb676fb8a8959d4cd3fc26d5a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac72020f206141600171cfd7b54e607a585f953a421299ea2eb0a134fe661c11",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.ins-det",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2024-08-27T15:31:00Z",
    "title_canon_sha256": "10164b4b7455d2b334f355ae0acc2d377f2b8fc8c53c2e2c919d72beee5ed99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.15142",
    "kind": "arxiv",
    "version": 1
  }
}