pith. sign in
Pith Number

pith:7ZSBGSR7

pith:2018:7ZSBGSR7GKVHHKLYC5UK5V5Y6Y
not attested not anchored not stored refs pending

Remarks on an article by Rabern et al

Karl Schlechta

arxiv:1808.01239 v3 · 2018-08-03 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7ZSBGSR7GKVHHKLYC5UK5V5Y6Y}

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 2026-05-18T00:05:55.771155Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fe64134a3f32aa73a9781768aed7b8f62d06110660b364e55487368a3a264f35

Aliases

arxiv: 1808.01239 · arxiv_version: 1808.01239v3 · doi: 10.48550/arxiv.1808.01239 · pith_short_12: 7ZSBGSR7GKVH · pith_short_16: 7ZSBGSR7GKVHHKLY · pith_short_8: 7ZSBGSR7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7ZSBGSR7GKVHHKLYC5UK5V5Y6Y \
  | 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: fe64134a3f32aa73a9781768aed7b8f62d06110660b364e55487368a3a264f35
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5dc205550d5df6740888b5a47b00136c908e329559298016634c49069cf41861",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-08-03T16:00:16Z",
    "title_canon_sha256": "7fa5c9464f8c4b801ebd54283a99a1282dbcfc0171352f8f6449d38a6971907b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01239",
    "kind": "arxiv",
    "version": 3
  }
}