Pith Number

pith:PL55VCFC

pith:2015:PL55VCFCT4SOC4GX6WSXU77FJU

not attested not anchored not stored refs pending

Towards a Direct, By-Need Evaluator for Dependently Typed Languages

David M. Rogers

arxiv:1509.07036 v1 · 2015-09-23 · 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{PL55VCFCT4SOC4GX6WSXU77FJU}

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	2026-05-18T01:32:17.128948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afbda88a29f24e170d7f5a57a7fe54d08b2dfdb24d7c085012ca763b11d5482

Aliases

arxiv: 1509.07036 · arxiv_version: 1509.07036v1 · doi: 10.48550/arxiv.1509.07036 · pith_short_12: PL55VCFCT4SO · pith_short_16: PL55VCFCT4SOC4GX · pith_short_8: PL55VCFC

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/PL55VCFCT4SOC4GX6WSXU77FJU \
  | 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: 7afbda88a29f24e170d7f5a57a7fe54d08b2dfdb24d7c085012ca763b11d5482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dfcf745b86f1074ab0028db13d98369c92ac793062650b9d41fadb3be9f6a83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-09-23T15:41:56Z",
    "title_canon_sha256": "10834be0c37cc3e99c7a3f7e02adac439b42c7d23807bfb68209924ae76b44ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07036",
    "kind": "arxiv",
    "version": 1
  }
}