Pith Number

pith:76RDLLRO

pith:2010:76RDLLRO4NTSHN64MS2NWCCGH4

not attested not anchored not stored refs pending

Uniform Definability and Undecidability in Classes of Structures

Hector Pasten, Thanases Pheidas, Xavier Vidaux

arxiv:1012.0960 v1 · 2010-12-05 · math.LO · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76RDLLRO4NTSHN64MS2NWCCGH4}

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	2026-05-18T04:34:02.020401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffa235ae2ee36723b7dc64b4db08463f18446d292a21c301d4b2dcddefda069b

Aliases

arxiv: 1012.0960 · arxiv_version: 1012.0960v1 · doi: 10.48550/arxiv.1012.0960 · pith_short_12: 76RDLLRO4NTS · pith_short_16: 76RDLLRO4NTSHN64 · pith_short_8: 76RDLLRO

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/76RDLLRO4NTSHN64MS2NWCCGH4 \
  | 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: ffa235ae2ee36723b7dc64b4db08463f18446d292a21c301d4b2dcddefda069b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff3477cfbfb3560fb248c5edb0bead6b04427cb0b981c388b79f29838b3f16c",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-12-05T00:33:40Z",
    "title_canon_sha256": "f61878e95c49f49fc98aa954c8d4c059616301ca0768a5a1a6e58bf840a2a9a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0960",
    "kind": "arxiv",
    "version": 1
  }
}