Pith Number

pith:BOL7JJAB

pith:2017:BOL7JJABRQEVGOB3TZJIZBNIV3

not attested not anchored not stored refs pending

Anonymous Variables in Imperative Languages

Keehang Kwon

arxiv:1709.08193 v1 · 2017-09-24 · 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{BOL7JJABRQEVGOB3TZJIZBNIV3}

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	2026-05-18T00:34:27.722814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b97f4a4018c0953383b9e528c85a8aee14699812ac6b47f3fd0e511905fa095

Aliases

arxiv: 1709.08193 · arxiv_version: 1709.08193v1 · doi: 10.48550/arxiv.1709.08193 · pith_short_12: BOL7JJABRQEV · pith_short_16: BOL7JJABRQEVGOB3 · pith_short_8: BOL7JJAB

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/BOL7JJABRQEVGOB3TZJIZBNIV3 \
  | 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: 0b97f4a4018c0953383b9e528c85a8aee14699812ac6b47f3fd0e511905fa095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf659205bea373c427aec84127864461ec69e39823270d8d194a7267aa772ac5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-09-24T13:04:34Z",
    "title_canon_sha256": "c06338a92a481f72029ce70cfc4f90e48087adc6224a62649faf0fcc8a67ea45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08193",
    "kind": "arxiv",
    "version": 1
  }
}