Pith Number

pith:FZ2QZOO4

pith:2015:FZ2QZOO42BPW5QK6EZ32W3WSEG

not attested not anchored not stored refs pending

Irregular Riemann-Hilbert correspondence, Alekseev-Meinrenken dynamical r-matrices and Drinfeld twists

Xiaomeng Xu

arxiv:1507.07149 v3 · 2015-07-25 · math-ph · math.CA · math.MP · math.RT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZ2QZOO42BPW5QK6EZ32W3WSEG}

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	2026-05-18T00:22:30.023554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e750cb9dcd05f6ec15e2677ab6ed22190680db247a89d239f483aad8da4ddc9

Aliases

arxiv: 1507.07149 · arxiv_version: 1507.07149v3 · doi: 10.48550/arxiv.1507.07149 · pith_short_12: FZ2QZOO42BPW · pith_short_16: FZ2QZOO42BPW5QK6 · pith_short_8: FZ2QZOO4

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/FZ2QZOO42BPW5QK6EZ32W3WSEG \
  | 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: 2e750cb9dcd05f6ec15e2677ab6ed22190680db247a89d239f483aad8da4ddc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b6dfadcfdc587722b3fb002be5352c9305f142eeac658319fb3f65e9c45110",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP",
      "math.RT",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-07-25T23:21:14Z",
    "title_canon_sha256": "b8b39a9cde963c112fbe295f60fc2e0ea6690ee00aa9b55f0b4540285dc0774f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07149",
    "kind": "arxiv",
    "version": 3
  }
}