Pith Number

pith:7ZDEDJZC

pith:2008:7ZDEDJZCOKE6LABC5ANL2NNKFS

not attested not anchored not stored refs pending

Bootstrapping Inductive and Coinductive Types in HasCASL

Lutz Schr\"oder

arxiv:0812.3836 v2 · 2008-12-19 · cs.LO · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZDEDJZCOKE6LABC5ANL2NNKFS}

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	2026-05-18T01:37:40.589191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4641a7227289e58022e81abd35aa2cbf66d5d671fe7a29d10f2f1daf8892a1

Aliases

arxiv: 0812.3836 · arxiv_version: 0812.3836v2 · doi: 10.48550/arxiv.0812.3836 · pith_short_12: 7ZDEDJZCOKE6 · pith_short_16: 7ZDEDJZCOKE6LABC · pith_short_8: 7ZDEDJZC

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/7ZDEDJZCOKE6LABC5ANL2NNKFS \
  | 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: fe4641a7227289e58022e81abd35aa2cbf66d5d671fe7a29d10f2f1daf8892a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80c65e91606d6705a312c3bb66812a3f6119a79db4fdbbc88e326886d8d6588c",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-12-19T16:22:15Z",
    "title_canon_sha256": "00fd38e2bb06955871b619831e5023527b496424a8ad722c36b4c06a29c23b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3836",
    "kind": "arxiv",
    "version": 2
  }
}