Pith Number

pith:6SGPUIYU

pith:2018:6SGPUIYUE4TCVZYMMZVGTQI5LV

not attested not anchored not stored refs pending

Categorical Buechi and Parity Conditions via Alternating Fixed Points of Functors

Ichiro Hasuo, Natsuki Urabe

arxiv:1803.06811 v1 · 2018-03-19 · 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{6SGPUIYUE4TCVZYMMZVGTQI5LV}

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	2026-05-18T00:20:41.290005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48cfa231427262ae70c666a69c11d5d68e4a27a9cf85552126c039e322539c8

Aliases

arxiv: 1803.06811 · arxiv_version: 1803.06811v1 · doi: 10.48550/arxiv.1803.06811 · pith_short_12: 6SGPUIYUE4TC · pith_short_16: 6SGPUIYUE4TCVZYM · pith_short_8: 6SGPUIYU

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/6SGPUIYUE4TCVZYMMZVGTQI5LV \
  | 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: f48cfa231427262ae70c666a69c11d5d68e4a27a9cf85552126c039e322539c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f78c1abe869e3d3be7d7b4d0cebc50c6a8be7500040a40d508f162627eff7cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-03-19T06:14:55Z",
    "title_canon_sha256": "1739a17ca569d85c2cf1f0025ba37ddccfaf7410b3305a1a8641a4891cea688b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06811",
    "kind": "arxiv",
    "version": 1
  }
}