Pith Number

pith:7JLHADDH

pith:2018:7JLHADDHMSI2ULRAP2EDPX4XA3

not attested not anchored not stored refs pending

Modeling student pathways in a physics bachelor's degree program

John M. Aiken, Marcos D. Caballero, Rachel Henderson

arxiv:1810.11272 v3 · 2018-10-26 · 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{7JLHADDHMSI2ULRAP2EDPX4XA3}

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	2026-05-17T23:45:35.776273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa56700c676491aa2e207e8837df9706db5c97da52bea1bd717cb69e06404191

Aliases

arxiv: 1810.11272 · arxiv_version: 1810.11272v3 · doi: 10.48550/arxiv.1810.11272 · pith_short_12: 7JLHADDHMSI2 · pith_short_16: 7JLHADDHMSI2ULRA · pith_short_8: 7JLHADDH

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/7JLHADDHMSI2ULRAP2EDPX4XA3 \
  | 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: fa56700c676491aa2e207e8837df9706db5c97da52bea1bd717cb69e06404191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5fb29bfacdaab5899936bde01688c3fe04f539ee5aae1f752eb8049965496ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-10-26T11:31:39Z",
    "title_canon_sha256": "28555340980211a7f6281f1396231639167e5ee7778701f777c4f3a4032886ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11272",
    "kind": "arxiv",
    "version": 3
  }
}