Pith Number

pith:T4UUB3M6

pith:2013:T4UUB3M6Q3DMAQAQWMP6MVCHAF

not attested not anchored not stored refs pending

An implementation of CAD in Maple utilising McCallum projection

Matthew England

arxiv:1302.6401 v1 · 2013-02-26 · 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{T4UUB3M6Q3DMAQAQWMP6MVCHAF}

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	2026-05-18T03:32:29.348017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2940ed9e86c6c04010b31fe654470173ec9540ecdf3e5e8a792b0a7f26bff4

Aliases

arxiv: 1302.6401 · arxiv_version: 1302.6401v1 · doi: 10.48550/arxiv.1302.6401 · pith_short_12: T4UUB3M6Q3DM · pith_short_16: T4UUB3M6Q3DMAQAQ · pith_short_8: T4UUB3M6

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/T4UUB3M6Q3DMAQAQWMP6MVCHAF \
  | 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: 9f2940ed9e86c6c04010b31fe654470173ec9540ecdf3e5e8a792b0a7f26bff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31998d2c22a9f292011f6e3868bcb722b33fa0b45fe361ba5fb6f5bb13a23611",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-02-26T11:33:33Z",
    "title_canon_sha256": "18b1de1eecd7d46825f10a900918eae3a9d6fc834f59888fe77f9be4cd9534c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6401",
    "kind": "arxiv",
    "version": 1
  }
}