Pith Number

pith:V45MUVHW

pith:2019:V45MUVHWBVZHCHPCVML6JOMUIQ

not attested not anchored not stored refs pending

Cascaded Rotational Doppler Effect

Guixin Li, Junhong Deng, King Fai Li, Wei Liu

arxiv:1903.08868 v1 · 2019-03-21 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V45MUVHWBVZHCHPCVML6JOMUIQ}

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	2026-05-17T23:47:39.290200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3aca54f60d72711de2ab17e4b994440c9758f1d97b893d6d02b4206d24b70d

Aliases

arxiv: 1903.08868 · arxiv_version: 1903.08868v1 · doi: 10.48550/arxiv.1903.08868 · pith_short_12: V45MUVHWBVZH · pith_short_16: V45MUVHWBVZHCHPC · pith_short_8: V45MUVHW

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/V45MUVHWBVZHCHPCVML6JOMUIQ \
  | 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: af3aca54f60d72711de2ab17e4b994440c9758f1d97b893d6d02b4206d24b70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ec19c0718b6892feec96f798943a6759de2aa39d26595afbd462b5a49702ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-21T08:12:07Z",
    "title_canon_sha256": "7f6212be9d2b6eef273dfb3c252bebfbedc456c68427bc97540e9cf8709634b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08868",
    "kind": "arxiv",
    "version": 1
  }
}