Pith Number

pith:C4DIKZRL

pith:2010:C4DIKZRLB2E7CU6UROCFFBYNT3

not attested not anchored not stored refs pending

Generalised Rabin(1) synthesis

Ruediger Ehlers

arxiv:1003.1684 v2 · 2010-03-08 · 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{C4DIKZRLB2E7CU6UROCFFBYNT3}

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	2026-05-18T02:24:38.115116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170685662b0e89f153d48b8452870d9edd5bbc4643b54209946813c272335263

Aliases

arxiv: 1003.1684 · arxiv_version: 1003.1684v2 · doi: 10.48550/arxiv.1003.1684 · pith_short_12: C4DIKZRLB2E7 · pith_short_16: C4DIKZRLB2E7CU6U · pith_short_8: C4DIKZRL

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/C4DIKZRLB2E7CU6UROCFFBYNT3 \
  | 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: 170685662b0e89f153d48b8452870d9edd5bbc4643b54209946813c272335263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48755b23bef83d1343519fdd07d9f8821cee89550dc29ad2132d09c73ac75054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-03-08T17:36:02Z",
    "title_canon_sha256": "27fc8cf9e362f136a87ea062cf5fcb7ae320dd5b42766cf94b8273c8aa6bafe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1684",
    "kind": "arxiv",
    "version": 2
  }
}