Pith Number

pith:7N2AAZG5

pith:2014:7N2AAZG5I5ODGZY6VUO7ZCDUCS

not attested not anchored not stored refs pending

A comparison of concepts from computable analysis and effective descriptive set theory

Arno Pauly, Tam\'as Kisp\'eter, Vassilios Gregoriades

arxiv:1403.7997 v2 · 2014-03-31 · cs.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7N2AAZG5I5ODGZY6VUO7ZCDUCS}

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	2026-05-18T01:11:46.998538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb740064dd475c33671ead1dfc887414bf809d3102799a9c6770ff3a5e282e99

Aliases

arxiv: 1403.7997 · arxiv_version: 1403.7997v2 · doi: 10.48550/arxiv.1403.7997 · pith_short_12: 7N2AAZG5I5OD · pith_short_16: 7N2AAZG5I5ODGZY6 · pith_short_8: 7N2AAZG5

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/7N2AAZG5I5ODGZY6VUO7ZCDUCS \
  | 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: fb740064dd475c33671ead1dfc887414bf809d3102799a9c6770ff3a5e282e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b781f41ccb37766824caf410049928dff80330f193b582f19f2e461b030f152",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-03-31T13:59:06Z",
    "title_canon_sha256": "73aaa85788e8cd54b861632b76c58a143c28b8ea9ac2ec870a455f0d29fa50a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7997",
    "kind": "arxiv",
    "version": 2
  }
}