Pith Number

pith:X5HPTIE7

pith:2018:X5HPTIE7SI7J5XJBQVX7PT7XM6

not attested not anchored not stored refs pending

Spine-local Type Inference

Aaron Stump, Christopher Jenkins

arxiv:1805.10383 v1 · 2018-05-25 · 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{X5HPTIE7SI7J5XJBQVX7PT7XM6}

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	2026-05-18T00:14:52.705339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf4ef9a09f923e9edd21856ff7cff76788206b6444ce31da000f94104b0a2cd8

Aliases

arxiv: 1805.10383 · arxiv_version: 1805.10383v1 · doi: 10.48550/arxiv.1805.10383 · pith_short_12: X5HPTIE7SI7J · pith_short_16: X5HPTIE7SI7J5XJB · pith_short_8: X5HPTIE7

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/X5HPTIE7SI7J5XJBQVX7PT7XM6 \
  | 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: bf4ef9a09f923e9edd21856ff7cff76788206b6444ce31da000f94104b0a2cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3b0ea527a14d4b90c123f0b452a25d7a2fcb6da3c8b67971f6c197db550a482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-05-25T22:44:08Z",
    "title_canon_sha256": "5345eb08a7be9f61230214034eab64fd592b7bda6dba7c7fbe023ab8a849ccea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10383",
    "kind": "arxiv",
    "version": 1
  }
}