pith. sign in
Pith Number

pith:XBJXYSNG

pith:2016:XBJXYSNGX43D5VRR77P5CMPH5W
not attested not anchored not stored refs pending

A Universal Construction of Universal Deformation Formulas, Drinfel'd Twists and their Positivity

Chiara Esposito, Jonas Schnitzer, Stefan Waldmann

arxiv:1608.00412 v5 · 2016-08-01 · math.QA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XBJXYSNGX43D5VRR77P5CMPH5W}

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 2026-05-18T00:20:59.251067Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b8537c49a6bf363ed631ffdfd131e7ed8b971202f269b7a05bee4d76fc14e5a2

Aliases

arxiv: 1608.00412 · arxiv_version: 1608.00412v5 · doi: 10.48550/arxiv.1608.00412 · pith_short_12: XBJXYSNGX43D · pith_short_16: XBJXYSNGX43D5VRR · pith_short_8: XBJXYSNG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XBJXYSNGX43D5VRR77P5CMPH5W \
  | 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: b8537c49a6bf363ed631ffdfd131e7ed8b971202f269b7a05bee4d76fc14e5a2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0dac4290909292ca0f4bf46b7cf06fdd1a971a855b0075e84565e781951617fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-08-01T13:11:59Z",
    "title_canon_sha256": "d952f8e2b086a66177d249dba7476629a62f6b07acb96589fee6514c8eb0024b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00412",
    "kind": "arxiv",
    "version": 5
  }
}