Pith Number

pith:N5UPK6TY

pith:2014:N5UPK6TY3HUNBGIMOAICJZK5OF

not attested not anchored not stored refs pending

Student Use of a Single Lecture Video in a Flipped Introductory Mechanics Course

Brian D. Thoms, Edwin F. Greco, John M. Aiken, Marcos D. Caballero, Michael F. Schatz, Scott S. Douglas, Shih-Yin Lin

arxiv:1407.2620 v3 · 2014-07-09 · 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{N5UPK6TY3HUNBGIMOAICJZK5OF}

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	2026-05-18T00:02:50.262204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f68f57a78d9e8d0990c701024e55d71657bf6061122cedfba18b5899adaa454

Aliases

arxiv: 1407.2620 · arxiv_version: 1407.2620v3 · doi: 10.48550/arxiv.1407.2620 · pith_short_12: N5UPK6TY3HUN · pith_short_16: N5UPK6TY3HUNBGIM · pith_short_8: N5UPK6TY

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/N5UPK6TY3HUNBGIMOAICJZK5OF \
  | 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: 6f68f57a78d9e8d0990c701024e55d71657bf6061122cedfba18b5899adaa454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd0703aef654ae4ce821ce20c292d618728173f97f084ff42c8729f08533f2c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-07-09T20:01:32Z",
    "title_canon_sha256": "83c43529f8861140c02fd0587c27fff0a9cd8307572ab606d65c3340f4cc0220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2620",
    "kind": "arxiv",
    "version": 3
  }
}