Pith Number

pith:LQTWUBRP

pith:1998:LQTWUBRPPCTEKPEA67VDHK6EDV

not attested not anchored not stored refs pending

Invariant local twistor calculus for quaternionic structures and related geometries

A. R. Gover, J. Slovak

arxiv:math/9805016 v1 · 1998-05-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQTWUBRPPCTEKPEA67VDHK6EDV}

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	2026-07-04T16:10:09.628361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c276a062f78a6453c80f7ea33abc41d7e7020965f0ecf2784cc4e0e30ba2d01

Aliases

arxiv: math/9805016 · arxiv_version: math/9805016v1 · doi: 10.48550/arxiv.math/9805016 · pith_short_12: LQTWUBRPPCTE · pith_short_16: LQTWUBRPPCTEKPEA · pith_short_8: LQTWUBRP

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/LQTWUBRPPCTEKPEA67VDHK6EDV \
  | 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: 5c276a062f78a6453c80f7ea33abc41d7e7020965f0ecf2784cc4e0e30ba2d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76862d9e3412bafef7c503c0b0ff07dc22188e848247f82ca7631a14035d59ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1998-05-05T07:25:42Z",
    "title_canon_sha256": "703a0bb8c1776627b7226feb134e4879b0a087149a3eb49c5a8ab86e5e1eee1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9805016",
    "kind": "arxiv",
    "version": 1
  }
}