Pith Number

pith:GF3LQ5DY

pith:2017:GF3LQ5DYKSFTTMFYANOYRVSXAP

not attested not anchored not stored refs pending

Teaching Programming and Design-by-Contract

Adil Khan, Alexandr Naumchev, Daniel de Carvalho, JooYong Lee, Mansur Khazeev, Manuel Mazzara, Rasheed Hussain, Ruslan Mustafin, Sergey Masiagin, Victor Rivera

arxiv:1710.07956 v2 · 2017-10-22 · cs.SE · 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{GF3LQ5DYKSFTTMFYANOYRVSXAP}

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	2026-05-17T23:48:11.959938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3176b87478548b39b0b8035d88d65703ce3a6f0df4060ee741ac9e379df54b92

Aliases

arxiv: 1710.07956 · arxiv_version: 1710.07956v2 · doi: 10.48550/arxiv.1710.07956 · pith_short_12: GF3LQ5DYKSFT · pith_short_16: GF3LQ5DYKSFTTMFY · pith_short_8: GF3LQ5DY

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/GF3LQ5DYKSFTTMFYANOYRVSXAP \
  | 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: 3176b87478548b39b0b8035d88d65703ce3a6f0df4060ee741ac9e379df54b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f22faf20152b66762814ac9077d9526585cdc0c73d33892876046f9cc48acc",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-10-22T15:04:24Z",
    "title_canon_sha256": "2344bd9030a3d02aedf0d402c01df90cf1d07805afafe0c15c64f8b73173795e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07956",
    "kind": "arxiv",
    "version": 2
  }
}