Pith Number

pith:W3JZ4QKS

pith:2016:W3JZ4QKSMJJ6F6JGWE7KZXDJD2

not attested not anchored not stored refs pending

Students' network integration as a predictor of persistence in introductory physics courses

Eric A. Williams, Eric Brewe, Justyna P. Zwolak, Remy Dou

arxiv:1611.00668 v3 · 2016-11-02 · 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{W3JZ4QKSMJJ6F6JGWE7KZXDJD2}

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	2026-05-18T00:24:31.660285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6d39e41526253e2f926b13eacdc691eb2c51dc949c78744407e8e0591865143

Aliases

arxiv: 1611.00668 · arxiv_version: 1611.00668v3 · doi: 10.48550/arxiv.1611.00668 · pith_short_12: W3JZ4QKSMJJ6 · pith_short_16: W3JZ4QKSMJJ6F6JG · pith_short_8: W3JZ4QKS

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/W3JZ4QKSMJJ6F6JGWE7KZXDJD2 \
  | 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: b6d39e41526253e2f926b13eacdc691eb2c51dc949c78744407e8e0591865143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27255229f6e72ebfdaa0af17928491921d478e0664ecde6a40931da79ea871f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-11-02T16:25:45Z",
    "title_canon_sha256": "c8364a125760ce0a098a9cbb92b287f90fed5daefdeea530a7765f0d644720b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00668",
    "kind": "arxiv",
    "version": 3
  }
}