Pith Number

pith:M4E2LLXK

pith:2023:M4E2LLXKR5VFSWVPBW6WFH5T4M

not attested not anchored not stored refs pending

Challenges of Testing an Evolving Cancer Registration Support System in Practice

Christoph Laaber, Jan F. Nyg{\aa}rd, Shaukat Ali, Tao Yue, Thomas Schwitalla

arxiv:2308.13306 v1 · 2023-08-25 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4E2LLXKR5VFSWVPBW6WFH5T4M}

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	2026-07-05T06:44:41.726116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6709a5aeea8f6a595aaf0dbd629fb3e3245a60110fba21ca706f5380c1ded2e8

Aliases

arxiv: 2308.13306 · arxiv_version: 2308.13306v1 · doi: 10.48550/arxiv.2308.13306 · pith_short_12: M4E2LLXKR5VF · pith_short_16: M4E2LLXKR5VFSWVP · pith_short_8: M4E2LLXK

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/M4E2LLXKR5VFSWVPBW6WFH5T4M \
  | 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: 6709a5aeea8f6a595aaf0dbd629fb3e3245a60110fba21ca706f5380c1ded2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e55fca60e0b322d0937fca8ace3da29445968fcaa43fcb3eb555042da49233",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2023-08-25T11:09:39Z",
    "title_canon_sha256": "dfab36e1eb19b0a545b06dcab0e861098d27643ebd22ecd63f08284a88b0e555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13306",
    "kind": "arxiv",
    "version": 1
  }
}