Pith Number

pith:EXSIBWV5

pith:2013:EXSIBWV57HTDCB2BB3MKQ725W5

not attested not anchored not stored refs pending

On commutativity of ideal extensions

Joachim Jelisiejew

arxiv:1305.3024 v1 · 2013-05-14 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXSIBWV57HTDCB2BB3MKQ725W5}

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	2026-05-18T03:25:45.075134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e480dabdf9e63107410ed8a87f5db769a2ef9d3b54cf34d167de85d4457d61

Aliases

arxiv: 1305.3024 · arxiv_version: 1305.3024v1 · doi: 10.48550/arxiv.1305.3024 · pith_short_12: EXSIBWV57HTD · pith_short_16: EXSIBWV57HTDCB2B · pith_short_8: EXSIBWV5

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/EXSIBWV57HTDCB2BB3MKQ725W5 \
  | 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: 25e480dabdf9e63107410ed8a87f5db769a2ef9d3b54cf34d167de85d4457d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a13c67c79a4c2c926afe72c9e43f1c09e2ee184c6bc64a22886f78204ca04a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-05-14T05:53:05Z",
    "title_canon_sha256": "d9fe75ec3a77f44eb5cb72c8b4cdab3b20d0138928e574517309bf41baff2d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3024",
    "kind": "arxiv",
    "version": 1
  }
}