Pith Number

pith:R2QZO32F

pith:2011:R2QZO32FOEKTAJNDKRLV7YOPNK

not attested not anchored not stored refs pending

2 x 2 permanental ideals of hypermatrices

Irena Swanson, Julia Porcino

arxiv:1110.2716 v2 · 2011-10-12 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2QZO32FOEKTAJNDKRLV7YOPNK}

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	2026-05-18T03:55:00.352674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea1976f4571153025a354575fe1cf6aa1788f900992217f461f0cac6407c8c2

Aliases

arxiv: 1110.2716 · arxiv_version: 1110.2716v2 · doi: 10.48550/arxiv.1110.2716 · pith_short_12: R2QZO32FOEKT · pith_short_16: R2QZO32FOEKTAJND · pith_short_8: R2QZO32F

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/R2QZO32FOEKTAJNDKRLV7YOPNK \
  | 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: 8ea1976f4571153025a354575fe1cf6aa1788f900992217f461f0cac6407c8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3adb2cf9c606988e61ec62dba7f9a5936f90516ea6abdf6fa1f742df85b4174f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-10-12T17:31:03Z",
    "title_canon_sha256": "305d8e7ff0148d5dea0008c42025286f252b48ac2361fa891b39949fe34a1a16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2716",
    "kind": "arxiv",
    "version": 2
  }
}