Pith Number

pith:3TSSJWLR

pith:2014:3TSSJWLR2NMNFBBOR5W7PNSIQR

not attested not anchored not stored refs pending

Role of face-to-face lecturing in large enrollment physics classes

Hai-Woong Lee, Heeseung Zoe, Jin-Hyouk Im, Jinsook Choi, Kyujin Kwak, Soogyun Beum, Yun-Young Seo

arxiv:1404.3566 v2 · 2014-04-14 · 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{3TSSJWLR2NMNFBBOR5W7PNSIQR}

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	2026-05-18T01:19:57.639081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce524d971d358d2842e8f6df7b648844fb8287e09c211affcd8ffcdb6634a31

Aliases

arxiv: 1404.3566 · arxiv_version: 1404.3566v2 · doi: 10.48550/arxiv.1404.3566 · pith_short_12: 3TSSJWLR2NMN · pith_short_16: 3TSSJWLR2NMNFBBO · pith_short_8: 3TSSJWLR

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/3TSSJWLR2NMNFBBOR5W7PNSIQR \
  | 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: dce524d971d358d2842e8f6df7b648844fb8287e09c211affcd8ffcdb6634a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4259ad9cc16febced8d3724830829fa84fe22ef4453aac540396a959ed577f82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-04-14T13:06:19Z",
    "title_canon_sha256": "a8d504cdb33a80d3b11abb909c3e3408a5f3137ce1f12f6a30c38b9c1a875fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3566",
    "kind": "arxiv",
    "version": 2
  }
}