Pith Number

pith:Q42XZ5UT

pith:2001:Q42XZ5UTCRAJAE6US264OYXFZZ

not attested not anchored not stored refs pending

Weyl structures on quaternionic manifolds. A state of the art

Liviu Ornea (University of Bucharest)

arxiv:math/0105041 v1 · 2001-05-05 · 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{Q42XZ5UTCRAJAE6US264OYXFZZ}

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	2026-07-04T14:35:19.632450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87357cf69314409013d496bdc762e5ce71945e1c2423fb40449dca4374797912

Aliases

arxiv: math/0105041 · arxiv_version: math/0105041v1 · doi: 10.48550/arxiv.math/0105041 · pith_short_12: Q42XZ5UTCRAJ · pith_short_16: Q42XZ5UTCRAJAE6U · pith_short_8: Q42XZ5UT

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/Q42XZ5UTCRAJAE6US264OYXFZZ \
  | 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: 87357cf69314409013d496bdc762e5ce71945e1c2423fb40449dca4374797912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e11dc0ad67361275eda69b424a7e67748c5a17b8fe84be5e362e063c14603b2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2001-05-05T09:27:23Z",
    "title_canon_sha256": "ac889a2991016c8313945a6890562a2abdc9dc035745f8d335dfc7e122be550b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0105041",
    "kind": "arxiv",
    "version": 1
  }
}