Pith Number

pith:7R67M2OC

pith:2015:7R67M2OCDMCOLTRQ7GBDLP65KK

not attested not anchored not stored refs pending

Analysis of a spinning polygon wavelength swept laser

Bart Johnson, Brian D. Goldberg, Dale C. Flanders, Mark Kuznetsov, Peter Whitney, Walid Atia

arxiv:1501.07003 v2 · 2015-01-28 · 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{7R67M2OCDMCOLTRQ7GBDLP65KK}

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	2026-05-18T02:25:26.052588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7df669c21b04e5ce30f98235bfdd529434b124196ea25b16a3db52a9c01e63

Aliases

arxiv: 1501.07003 · arxiv_version: 1501.07003v2 · doi: 10.48550/arxiv.1501.07003 · pith_short_12: 7R67M2OCDMCO · pith_short_16: 7R67M2OCDMCOLTRQ · pith_short_8: 7R67M2OC

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/7R67M2OCDMCOLTRQ7GBDLP65KK \
  | 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: fc7df669c21b04e5ce30f98235bfdd529434b124196ea25b16a3db52a9c01e63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbaf28a6acfb9fe64ca8bfaf05adfad36285cfe627404e82294d7ab82536b66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-01-28T06:52:11Z",
    "title_canon_sha256": "2180af2df5b9eed5e292b892b041600af67693e6ff214d76a2330f010273d1f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07003",
    "kind": "arxiv",
    "version": 2
  }
}