Pith Number

pith:NJWRXLZU

pith:2020:NJWRXLZUEBTW6676NX3RXJULRQ

not attested not anchored not stored refs pending

Learn-Apply-Reinforce/Share Learning: Hackathons and CTFs as General Pedagogic Tools in Higher Education, and Their Applicability to Distance Learning

Andreea-Ina Radu, Tom Goodman

arxiv:2006.04226 v1 · 2020-06-07 · 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{NJWRXLZUEBTW6676NX3RXJULRQ}

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	2026-07-05T01:08:37.372688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6d1baf3420676f7bfe6df71ba68b8c3a388df22b3d06ab9c64682a239bf40c

Aliases

arxiv: 2006.04226 · arxiv_version: 2006.04226v1 · doi: 10.48550/arxiv.2006.04226 · pith_short_12: NJWRXLZUEBTW · pith_short_16: NJWRXLZUEBTW6676 · pith_short_8: NJWRXLZU

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/NJWRXLZUEBTW6676NX3RXJULRQ \
  | 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: 6a6d1baf3420676f7bfe6df71ba68b8c3a388df22b3d06ab9c64682a239bf40c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e22d4b6387b1da9465fccbba3343a53e4982cc21e73071503098db375170a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-06-07T18:41:39Z",
    "title_canon_sha256": "a71f6aa72982f67d55df5f9d57f1fc8090a42dfe88ed76c06edb68f3e94abaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04226",
    "kind": "arxiv",
    "version": 1
  }
}