Pith Number

pith:JUNPY2TM

pith:2018:JUNPY2TMKRR26OG6FAGGLIM5TP

not attested not anchored not stored refs pending

Induction, Coinduction, and Fixed Points: A Concise Comparative Survey

Moez A. AbdelGawad

arxiv:1812.10026 v9 · 2018-12-25 · cs.LO · cs.PL · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUNPY2TMKRR26OG6FAGGLIM5TP}

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	2026-05-17T23:51:30.426845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1afc6a6c5463af38de280c65a19d9bfdd6242ecbf95946c0825926f39fdf08

Aliases

arxiv: 1812.10026 · arxiv_version: 1812.10026v9 · doi: 10.48550/arxiv.1812.10026 · pith_short_12: JUNPY2TMKRR2 · pith_short_16: JUNPY2TMKRR26OG6 · pith_short_8: JUNPY2TM

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/JUNPY2TMKRR26OG6FAGGLIM5TP \
  | 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: 4d1afc6a6c5463af38de280c65a19d9bfdd6242ecbf95946c0825926f39fdf08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228907130911c4fcb9f356e452451c55a7c55c4ffe358f968708240a138ea8e5",
    "cross_cats_sorted": [
      "cs.PL",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-12-25T04:28:54Z",
    "title_canon_sha256": "aef94fbeece67c8750ff8d82d39209090d70f4b378802b3fb4af366f6025082b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10026",
    "kind": "arxiv",
    "version": 9
  }
}