Pith Number

pith:JBTU5RE4

pith:2016:JBTU5RE4KWHZEGR6JUR74QIJID

not attested not anchored not stored refs pending

The algebraic dichotomy conjecture for infinite domain Constraint Satisfaction Problems

Libor Barto, Michael Pinsker

arxiv:1602.04353 v1 · 2016-02-13 · cs.LO · cs.CC · 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{JBTU5RE4KWHZEGR6JUR74QIJID}

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	2026-05-18T01:20:51.140447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48674ec49c558f921a3e4d23fe410940e8a2de274e6ce12cf914a349cc1500c8

Aliases

arxiv: 1602.04353 · arxiv_version: 1602.04353v1 · doi: 10.48550/arxiv.1602.04353 · pith_short_12: JBTU5RE4KWHZ · pith_short_16: JBTU5RE4KWHZEGR6 · pith_short_8: JBTU5RE4

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/JBTU5RE4KWHZEGR6JUR74QIJID \
  | 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: 48674ec49c558f921a3e4d23fe410940e8a2de274e6ce12cf914a349cc1500c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a175fcef2c0d569291b0bc3f7c95159d82ff25a8e3aa0d77f1f72b6bbec2736d",
    "cross_cats_sorted": [
      "cs.CC",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-02-13T16:38:37Z",
    "title_canon_sha256": "9d3eb4be61a0caa8253b040e6e6b028e770598c41366338a295b11cd147efc6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04353",
    "kind": "arxiv",
    "version": 1
  }
}