Pith Number

pith:MEZIPZR4

pith:2014:MEZIPZR4Q6D7SOKXA5AAK72W2K

not attested not anchored not stored refs pending

Satisfiability of ECTL* with tree constraints

Alexander Kartzow, Claudia Carapelle, Markus Lohrey, Shiguang Feng

arxiv:1412.2905 v2 · 2014-12-09 · cs.LO · cs.FL · math.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{MEZIPZR4Q6D7SOKXA5AAK72W2K}

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	2026-05-18T02:26:31.306771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613287e63c8787f939570740057f56d29278e668e6d29cf022e5385155148e3c

Aliases

arxiv: 1412.2905 · arxiv_version: 1412.2905v2 · doi: 10.48550/arxiv.1412.2905 · pith_short_12: MEZIPZR4Q6D7 · pith_short_16: MEZIPZR4Q6D7SOKX · pith_short_8: MEZIPZR4

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/MEZIPZR4Q6D7SOKXA5AAK72W2K \
  | 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: 613287e63c8787f939570740057f56d29278e668e6d29cf022e5385155148e3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b072e0e3d75490180e2cdba9238838c5292cfcec4888af1b28d3746c4c4b50d",
    "cross_cats_sorted": [
      "cs.FL",
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-09T10:44:03Z",
    "title_canon_sha256": "91a20b0ee86bba5081a7d16709be05122feb620d4b07c20b040a60103d5ae6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2905",
    "kind": "arxiv",
    "version": 2
  }
}