pith. sign in
Pith Number

pith:T32IUZXK

pith:2018:T32IUZXKXHRHUIEB53AS3HHFD3
not attested not anchored not stored refs pending

Ways of Destruction

Barnabas Farkas, Lyubomyr Zdomskyy

arxiv:1812.01480 v1 · 2018-12-04 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{T32IUZXKXHRHUIEB53AS3HHFD3}

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 2026-05-17T23:59:12.348616Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9ef48a66eab9e27a2081eec12d9ce51eeb8b02b389ba622b7c71937e6adc0a79

Aliases

arxiv: 1812.01480 · arxiv_version: 1812.01480v1 · doi: 10.48550/arxiv.1812.01480 · pith_short_12: T32IUZXKXHRH · pith_short_16: T32IUZXKXHRHUIEB · pith_short_8: T32IUZXK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/T32IUZXKXHRHUIEB53AS3HHFD3 \
  | 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: 9ef48a66eab9e27a2081eec12d9ce51eeb8b02b389ba622b7c71937e6adc0a79
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b1cd7e9453ef30c38fb4c9d01916e8281f9132f699695fb6ff3141891a0af08b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-12-04T15:21:36Z",
    "title_canon_sha256": "a1a651279120b0f99c8e80a958a1393ac71a2ebe12d352f9afb96555df67ac7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01480",
    "kind": "arxiv",
    "version": 1
  }
}