Pith Number

pith:XIOXXTCF

pith:2013:XIOXXTCFOJ4D7U4DYKRBU32PBL

not attested not anchored not stored refs pending

An implementation of CAD in Maple utilising problem formulation, equational constraints and truth-table invariance

Matthew England

arxiv:1306.3062 v1 · 2013-06-13 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIOXXTCFOJ4D7U4DYKRBU32PBL}

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	2026-05-18T03:20:59.710157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba1d7bcc4572783fd383c2a21a6f4f0af6b9477991b11338be0d6548a55f111c

Aliases

arxiv: 1306.3062 · arxiv_version: 1306.3062v1 · doi: 10.48550/arxiv.1306.3062 · pith_short_12: XIOXXTCFOJ4D · pith_short_16: XIOXXTCFOJ4D7U4D · pith_short_8: XIOXXTCF

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/XIOXXTCFOJ4D7U4DYKRBU32PBL \
  | 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: ba1d7bcc4572783fd383c2a21a6f4f0af6b9477991b11338be0d6548a55f111c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f28e16334171ec9f935f2586d059e542f53122a7d0a8c5f297400cb4682e2c39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-06-13T09:35:05Z",
    "title_canon_sha256": "2d2d9a1dcc50bed5205a63ace80eb4c90aab66c23364fd8f5188ad37804458ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3062",
    "kind": "arxiv",
    "version": 1
  }
}