Pith Number

pith:R6SXNQ6K

pith:2007:R6SXNQ6KWOLXCMSYCIGGVBIS4G

not attested not anchored not stored refs pending

A Research-Based Curriculum for Teaching the Photoelectric Effect

C. E. Wieman, K. K. Perkins, S. B. McKagan, W. Handley

arxiv:0706.2165 v1 · 2007-06-14 · physics.ed-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{R6SXNQ6KWOLXCMSYCIGGVBIS4G}

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	2026-05-18T00:46:17.153528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa576c3cab397713258120c6a8512e1810d6db1cfff0a9d0fe07e488e69a482

Aliases

arxiv: 0706.2165 · arxiv_version: 0706.2165v1 · doi: 10.48550/arxiv.0706.2165 · pith_short_12: R6SXNQ6KWOLX · pith_short_16: R6SXNQ6KWOLXCMSY · pith_short_8: R6SXNQ6K

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/R6SXNQ6KWOLXCMSYCIGGVBIS4G \
  | 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: 8fa576c3cab397713258120c6a8512e1810d6db1cfff0a9d0fe07e488e69a482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806604515d66bcca264a63e8d1abc409fabee8b9385b62f5851bb2a26ee0d696",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2007-06-14T18:04:49Z",
    "title_canon_sha256": "f81161737d151f39efde4a4b295c3ccea3bddea39c5a3c44fcddef53807fa19b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2165",
    "kind": "arxiv",
    "version": 1
  }
}