Pith Number

pith:OE7N5WFE

pith:2015:OE7N5WFEJKIQ5N2QW6ZDKKBDMY

not attested not anchored not stored refs pending

Definable choice for a class of weakly o-minimal theories

Christopher S. Shaw, Michael C. Laskowski

arxiv:1505.02147 v3 · 2015-05-08 · 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{OE7N5WFEJKIQ5N2QW6ZDKKBDMY}

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	2026-05-18T00:58:35.638864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

713eded8a44a910eb750b7b2352823661e48230b1d22c8b1d0bdf32ffd5f031b

Aliases

arxiv: 1505.02147 · arxiv_version: 1505.02147v3 · doi: 10.48550/arxiv.1505.02147 · pith_short_12: OE7N5WFEJKIQ · pith_short_16: OE7N5WFEJKIQ5N2Q · pith_short_8: OE7N5WFE

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/OE7N5WFEJKIQ5N2QW6ZDKKBDMY \
  | 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: 713eded8a44a910eb750b7b2352823661e48230b1d22c8b1d0bdf32ffd5f031b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21fc695509732ba39ca865f89935efe3cb5234ce07f3e0d82cd664843bd71c7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-05-08T19:28:57Z",
    "title_canon_sha256": "f05b1a4fd200f87c687163260f5cf08097dc3cb73f55a3714b49d0a00a4dd7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02147",
    "kind": "arxiv",
    "version": 3
  }
}