Pith Number

pith:3QQ2I64G

pith:2017:3QQ2I64GH64PZKIHDF6F4TM2WV

not attested not anchored not stored refs pending

Systemic inequities in introductory physics courses: the impacts of learning assistants

Ben Van Dusen, Jayson M. Nissen

arxiv:1711.05836 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{3QQ2I64GH64PZKIHDF6F4TM2WV}

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	2026-05-18T00:27:05.060754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc21a47b863fb8fca907197c5e4d9ab54ad9859cf25f471aef3c827cee470c5f

Aliases

arxiv: 1711.05836 · arxiv_version: 1711.05836v1 · doi: 10.48550/arxiv.1711.05836 · pith_short_12: 3QQ2I64GH64P · pith_short_16: 3QQ2I64GH64PZKIH · pith_short_8: 3QQ2I64G

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/3QQ2I64GH64PZKIHDF6F4TM2WV \
  | 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: dc21a47b863fb8fca907197c5e4d9ab54ad9859cf25f471aef3c827cee470c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5504ac4851d9649bb9c3f2e39b1e816bde04978b6be429f69267a279a6e8c922",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-11-15T22:46:25Z",
    "title_canon_sha256": "7230c2b695dd2365425c9170e601c70f8594b73211d334191d555501a17cc710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05836",
    "kind": "arxiv",
    "version": 1
  }
}