Pith Number

pith:IM3ULNA2

pith:2018:IM3ULNA2E3NN53D2T3AUZ24VL3

not attested not anchored not stored refs pending

IDE-Independent Program Comprehension Tools via Source File Overwriting

Jaroslav Porub\"an, Mat\'u\v{s} Sul\'ir, Ondrej Zori\v{c}\'ak

arxiv:1808.10363 v1 · 2018-08-30 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM3ULNA2E3NN53D2T3AUZ24VL3}

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	2026-05-18T00:06:49.029960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433745b41a26dadeec7a9ec14ceb955ef8d8f22bff95b61bac0f2656ba84952d

Aliases

arxiv: 1808.10363 · arxiv_version: 1808.10363v1 · doi: 10.48550/arxiv.1808.10363 · pith_short_12: IM3ULNA2E3NN · pith_short_16: IM3ULNA2E3NN53D2 · pith_short_8: IM3ULNA2

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/IM3ULNA2E3NN53D2T3AUZ24VL3 \
  | 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: 433745b41a26dadeec7a9ec14ceb955ef8d8f22bff95b61bac0f2656ba84952d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ce70f3d86df37bce48f00fdcf8cce9bac80fbce48bbef4e2ba8a36d1b44a336",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-08-30T15:45:52Z",
    "title_canon_sha256": "d67d1e76b75ca94ce3608c1f5f440c86197d5560632eb230288f00e9e7aa8a8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10363",
    "kind": "arxiv",
    "version": 1
  }
}