Pith Number

pith:XCTLADT7

pith:2019:XCTLADT7C42DA7OALHHE5W74EC

not attested not anchored not stored refs pending

A cross-context look at upper-division student difficulties with integration

Bethany R. Wilcox, Giaco Corsiglia

arxiv:1908.00474 v1 · 2019-08-01 · 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{XCTLADT7C42DA7OALHHE5W74EC}

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	2026-07-05T00:42:19.913338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8a6b00e7f1734307dc059ce4edbfc2095e48887dc4838d5b26645a93cb1a24d

Aliases

arxiv: 1908.00474 · arxiv_version: 1908.00474v1 · doi: 10.48550/arxiv.1908.00474 · pith_short_12: XCTLADT7C42D · pith_short_16: XCTLADT7C42DA7OA · pith_short_8: XCTLADT7

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/XCTLADT7C42DA7OALHHE5W74EC \
  | 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: b8a6b00e7f1734307dc059ce4edbfc2095e48887dc4838d5b26645a93cb1a24d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bdcd4b3463996f9c364c11fb76a19dc48523fc1770fb5d6fbb0d8e4c4ec9310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-08-01T16:01:59Z",
    "title_canon_sha256": "44cc85b000224d3a2be17896e66544e6f3c857ef4d7f357e82a6e57d8bf0583a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00474",
    "kind": "arxiv",
    "version": 1
  }
}