Pith Number

pith:ERGOE5MS

pith:2014:ERGOE5MSTA2R3VXCXXI2QMLEHB

not attested not anchored not stored refs pending

Peer Evaluation of Video Lab Reports in an Introductory Physics MOOC

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

arxiv:1407.4714 v2 · 2014-07-17 · 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{ERGOE5MSTA2R3VXCXXI2QMLEHB}

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	2026-05-18T02:40:03.131925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244ce2759298351dd6e2bdd1a8316438594d3ce1822440699b3c8b8006e679a6

Aliases

arxiv: 1407.4714 · arxiv_version: 1407.4714v2 · doi: 10.48550/arxiv.1407.4714 · pith_short_12: ERGOE5MSTA2R · pith_short_16: ERGOE5MSTA2R3VXC · pith_short_8: ERGOE5MS

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/ERGOE5MSTA2R3VXCXXI2QMLEHB \
  | 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: 244ce2759298351dd6e2bdd1a8316438594d3ce1822440699b3c8b8006e679a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e929bddc275cb7b17a8fab0f98728ac532647ee285eba52e74945e9da44c715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-07-17T15:50:30Z",
    "title_canon_sha256": "e4f61dbce8d9369fc03eab83c342dcb081d5d5f67c938848d564d7e8468b51c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4714",
    "kind": "arxiv",
    "version": 2
  }
}