Pith Number

pith:5FHKBF6D

pith:2015:5FHKBF6DCDTGH5WJYKGBFPR4TU

not attested not anchored not stored refs pending

Teaching Python programming with automatic assessment and feedback provision

Anil Prabhakar, Arti Kashyap, Hans Fangohr, Neil O'Brien

arxiv:1509.03556 v1 · 2015-09-11 · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FHKBF6DCDTGH5WJYKGBFPR4TU}

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	2026-05-18T01:33:17.545427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94ea097c310e663f6c9c28c12be3c9d28d3f4ae34f443bddee109edcdf9a53c

Aliases

arxiv: 1509.03556 · arxiv_version: 1509.03556v1 · doi: 10.48550/arxiv.1509.03556 · pith_short_12: 5FHKBF6DCDTG · pith_short_16: 5FHKBF6DCDTGH5WJ · pith_short_8: 5FHKBF6D

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/5FHKBF6DCDTGH5WJYKGBFPR4TU \
  | 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: e94ea097c310e663f6c9c28c12be3c9d28d3f4ae34f443bddee109edcdf9a53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93426447db5d3a32c78925ffe4aea0fc4d3000eb37de5670c3743bfc4b3e1f4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-09-11T15:31:39Z",
    "title_canon_sha256": "6fca7db5f3dddfa96bf4645fb64b6c1d0df973a9f1ec3763756f9e3125d86a72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03556",
    "kind": "arxiv",
    "version": 1
  }
}