Pith Number

pith:IYXK3627

pith:2018:IYXK3627T4IVTWGQX4YRY7RGUK

not attested not anchored not stored refs pending

Introduction to Iltis: An Interactive, Web-Based System for Teaching Logic

Artur Ljulin, Fabian Vehlken, Gaetano Geck, Jonas Schmidt, Sebastian Peter, Thomas Zeume

arxiv:1804.03579 v1 · 2018-04-04 · cs.CY · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYXK3627T4IVTWGQX4YRY7RGUK}

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	2026-05-18T00:18:47.657048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462eadfb5f9f1159d8d0bf311c7e26a290a2dda5b10d601921e95ebb4742072b

Aliases

arxiv: 1804.03579 · arxiv_version: 1804.03579v1 · doi: 10.48550/arxiv.1804.03579 · pith_short_12: IYXK3627T4IV · pith_short_16: IYXK3627T4IVTWGQ · pith_short_8: IYXK3627

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/IYXK3627T4IVTWGQX4YRY7RGUK \
  | 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: 462eadfb5f9f1159d8d0bf311c7e26a290a2dda5b10d601921e95ebb4742072b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e805d245bcefa66dfb054150db4f08d77e5f8709eb90f3f1225d5b56db0299",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-04-04T12:44:14Z",
    "title_canon_sha256": "b534fef74665e07cc4597999facbb78913d0e0ffec849d2ad80d6fc148eb40bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03579",
    "kind": "arxiv",
    "version": 1
  }
}