Pith Number

pith:QQNTKRAW

pith:2019:QQNTKRAWE6HSX2FN4GXHZNOJKL

not attested not anchored not stored refs pending

Enhancing Python Compiler Error Messages via Stack Overflow

Christoph Treude, Emillie Thiselton

arxiv:1906.11456 v1 · 2019-06-27 · 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{QQNTKRAWE6HSX2FN4GXHZNOJKL}

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	2026-05-17T23:42:06.992152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841b354416278f2be8ade1ae7cb5c952db279b7b145e3355e70fc8b72ad758ea

Aliases

arxiv: 1906.11456 · arxiv_version: 1906.11456v1 · doi: 10.48550/arxiv.1906.11456 · pith_short_12: QQNTKRAWE6HS · pith_short_16: QQNTKRAWE6HSX2FN · pith_short_8: QQNTKRAW

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/QQNTKRAWE6HSX2FN4GXHZNOJKL \
  | 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: 841b354416278f2be8ade1ae7cb5c952db279b7b145e3355e70fc8b72ad758ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7df85a9b62d8dd8ded797a0d8f0036a57822e76b771f5cab162fe96b8a923cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-06-27T06:41:04Z",
    "title_canon_sha256": "224805b3029eebffad597c86be6fe0753e1f25dbfe693526408b9b3532d14c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11456",
    "kind": "arxiv",
    "version": 1
  }
}