Pith Number

pith:HPIP3SKO

pith:2015:HPIP3SKOXGNS2SEKJQRC2FYLGQ

not attested not anchored not stored refs pending

Termination of canonical context-sensitive rewriting and productivity of rewrite systems

Salvador Lucas (DSIC, Spain), Universitat Polit\`ecnica de Val\`encia

arxiv:1512.06942 v1 · 2015-12-22 · cs.PL · 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{HPIP3SKOXGNS2SEKJQRC2FYLGQ}

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	2026-05-18T01:23:53.402182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd0fdc94eb99b2d488a4c222d170b342a1e5db1e5a721d1f40894df4c5378ed

Aliases

arxiv: 1512.06942 · arxiv_version: 1512.06942v1 · doi: 10.48550/arxiv.1512.06942 · pith_short_12: HPIP3SKOXGNS · pith_short_16: HPIP3SKOXGNS2SEK · pith_short_8: HPIP3SKO

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/HPIP3SKOXGNS2SEKJQRC2FYLGQ \
  | 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: 3bd0fdc94eb99b2d488a4c222d170b342a1e5db1e5a721d1f40894df4c5378ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7f4f54d1b2575d7c69c2e5683ba9e0afb7cee8f8ca2442a43c443737646732",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-12-22T03:16:22Z",
    "title_canon_sha256": "e35912fd651cb300b814cb6fbc9c5377988ca063d783e6a775e3c87f49bcfae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06942",
    "kind": "arxiv",
    "version": 1
  }
}