Pith Number

pith:CSEODKRR

pith:2025:CSEODKRRZLBDEJRFK7ZRIVZOMO

not attested not anchored not stored refs pending

Dagger-Drazin Inverses

Jean-Simon Pacaud Lemay (Macquarie University), Priyaa Varshinee Srinivasan (Tallinn University of Technology), Robin Cockett (University of Calgary)

arxiv:2502.05306 v3 · 2025-02-07 · math.CT · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CSEODKRRZLBDEJRFK7ZRIVZOMO}

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	2026-07-05T11:57:34.315523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1488e1aa31cac232262557f314572e63a6dffb7896b5e53dbee7729d28a72fda

Aliases

arxiv: 2502.05306 · arxiv_version: 2502.05306v3 · doi: 10.48550/arxiv.2502.05306 · pith_short_12: CSEODKRRZLBD · pith_short_16: CSEODKRRZLBDEJRF · pith_short_8: CSEODKRR

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/CSEODKRRZLBDEJRFK7ZRIVZOMO \
  | 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: 1488e1aa31cac232262557f314572e63a6dffb7896b5e53dbee7729d28a72fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85410bc7e6dcac71cc0719e015c6e5ee1f31592fc3cdab135307a7c6bf77fa0f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2025-02-07T20:17:28Z",
    "title_canon_sha256": "4f5d5b1df2d335394b9318d9f6916498e817f9225e4e6a4176fc90f139bfe796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05306",
    "kind": "arxiv",
    "version": 3
  }
}