Pith Number

pith:KZIZJ27G

pith:2016:KZIZJ27GO42W7UCZG7JPTFG73V

not attested not anchored not stored refs pending

The computational content of Nonstandard Analysis

Ghent University), Sam Sanders (LMU Munich

arxiv:1606.06386 v1 · 2016-06-21 · 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{KZIZJ27GO42W7UCZG7JPTFG73V}

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	2026-05-18T01:12:11.055549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565194ebe677356fd05937d2f994dfdd52876432639d9f8f4b6f2a1e52d092db

Aliases

arxiv: 1606.06386 · arxiv_version: 1606.06386v1 · doi: 10.48550/arxiv.1606.06386 · pith_short_12: KZIZJ27GO42W · pith_short_16: KZIZJ27GO42W7UCZ · pith_short_8: KZIZJ27G

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/KZIZJ27GO42W7UCZG7JPTFG73V \
  | 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: 565194ebe677356fd05937d2f994dfdd52876432639d9f8f4b6f2a1e52d092db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "782cbfe030cca3649c0bc849853ba0db833bc731cf5b4968251dadbac195e313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-06-21T00:50:08Z",
    "title_canon_sha256": "dc31c2a1158ec7c513c732235a10b404cbaf5ef9da90f9c3f7c050f9e82f15de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06386",
    "kind": "arxiv",
    "version": 1
  }
}