Pith Number

pith:ZCKFSIPA

pith:2017:ZCKFSIPAA6ZV2ZS2SZVC623OX3

not attested not anchored not stored refs pending

Longitudinal associations between learning assistants and instructor effectiveness

Angelica De La Torre, Ben Van Dusen, Daniel Caravez, Jayson Nissen

arxiv:1711.05834 v1 · 2017-11-15 · 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{ZCKFSIPAA6ZV2ZS2SZVC623OX3}

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	2026-05-18T00:30:24.019472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8945921e007b35d665a966a2f6b6ebec020785003d7a6e7426067c245b83785

Aliases

arxiv: 1711.05834 · arxiv_version: 1711.05834v1 · doi: 10.48550/arxiv.1711.05834 · pith_short_12: ZCKFSIPAA6ZV · pith_short_16: ZCKFSIPAA6ZV2ZS2 · pith_short_8: ZCKFSIPA

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/ZCKFSIPAA6ZV2ZS2SZVC623OX3 \
  | 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: c8945921e007b35d665a966a2f6b6ebec020785003d7a6e7426067c245b83785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b580477ab5158bea45c3714bcfd42b6f64d07e5156f54565cfee475bc346cd91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-11-15T22:40:26Z",
    "title_canon_sha256": "7367dc7cad68236d17e462ee23616be24aacd23ad3d5cda6ff08165e5436a4b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05834",
    "kind": "arxiv",
    "version": 1
  }
}