Pith Number

pith:B3VABVPH

pith:2018:B3VABVPHTPUHDQS5JN5K4TMNBP

not attested not anchored not stored refs pending

Reconstruction and Local Extensions for Twisted Group Doubles, and Permutation Orbifolds

David E. Evans, Terry Gannon

arxiv:1804.11145 v1 · 2018-04-30 · math.QA · hep-th · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3VABVPHTPUHDQS5JN5K4TMNBP}

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	2026-05-18T00:17:14.505389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eea00d5e79be871c25d4b7aae4d8d0bf91b98d92d4fec14da4de0baa7a3928d

Aliases

arxiv: 1804.11145 · arxiv_version: 1804.11145v1 · doi: 10.48550/arxiv.1804.11145 · pith_short_12: B3VABVPHTPUH · pith_short_16: B3VABVPHTPUHDQS5 · pith_short_8: B3VABVPH

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/B3VABVPHTPUHDQS5JN5K4TMNBP \
  | 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: 0eea00d5e79be871c25d4b7aae4d8d0bf91b98d92d4fec14da4de0baa7a3928d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7af38585392c0637cb92f7239aba34f9c59e8cd5b35c33714881b19c0877cc2e",
    "cross_cats_sorted": [
      "hep-th",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-04-30T12:14:23Z",
    "title_canon_sha256": "702f7690c527ff09597b229aca1de478a381381a2e1cf7386423d5730e6f50d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11145",
    "kind": "arxiv",
    "version": 1
  }
}