Pith Number

pith:XRNLCNSB

pith:2018:XRNLCNSBINVO437TN4RY5CBKXT

not attested not anchored not stored refs pending

Trial and error mathematics: Dialectical systems and completions of theories

Andrea Sorbi, Duccio Pianigiani, Jacopo Amidei, Luca San Mauro, Uri Andrews

arxiv:1810.07103 v1 · 2018-10-16 · 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{XRNLCNSBINVO437TN4RY5CBKXT}

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	2026-05-18T00:03:10.411824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5ab13641436aee6ff36f238e882abce417471479bf81c1b60a01b01a4e3fbc

Aliases

arxiv: 1810.07103 · arxiv_version: 1810.07103v1 · doi: 10.48550/arxiv.1810.07103 · pith_short_12: XRNLCNSBINVO · pith_short_16: XRNLCNSBINVO437T · pith_short_8: XRNLCNSB

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/XRNLCNSBINVO437TN4RY5CBKXT \
  | 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: bc5ab13641436aee6ff36f238e882abce417471479bf81c1b60a01b01a4e3fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4276d3e0cb3cf1d0b22f3753f9a40584802f28dd6bd5439ba462ea115060bbb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-16T16:04:25Z",
    "title_canon_sha256": "12ac9b4a9046e4a85110126feef0d0f7538ccc3bf61e510d4ffdf14db6fe2d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07103",
    "kind": "arxiv",
    "version": 1
  }
}