Pith Number

pith:2Y6YX773

pith:2016:2Y6YX7735HYLH65SUDLFP2GREZ

not attested not anchored not stored refs pending

Semantic Acyclicity Under Constraints

Andreas Pieris, Georg Gottlob, Pablo Barcelo

arxiv:1602.01366 v2 · 2016-02-03 · cs.DB · 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{2Y6YX7735HYLH65SUDLFP2GREZ}

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	2026-05-18T01:12:59.614088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63d8bfffbe9f0b3fbb2a0d657e8d12641eb9a31215ea43920196d470e781baa

Aliases

arxiv: 1602.01366 · arxiv_version: 1602.01366v2 · doi: 10.48550/arxiv.1602.01366 · pith_short_12: 2Y6YX7735HYL · pith_short_16: 2Y6YX7735HYLH65S · pith_short_8: 2Y6YX773

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/2Y6YX7735HYLH65SUDLFP2GREZ \
  | 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: d63d8bfffbe9f0b3fbb2a0d657e8d12641eb9a31215ea43920196d470e781baa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4aa3ff1e62da41ca61f46173eb37ab75fee4aa4aa19bf0b3e4ad397283e949",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-02-03T17:01:36Z",
    "title_canon_sha256": "9b40a7f0e01f1dde99fe99d3887ad9e31d7dfd56acbb7e83e68eddb650d381aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01366",
    "kind": "arxiv",
    "version": 2
  }
}