Pith Number

pith:T7A65HCH

pith:2017:T7A65HCHYBVI6EXDFS6HDILUZ5

not attested not anchored not stored refs pending

The groupoid of bifractional transformations

A. Vourdas, C. Lei, S. Agyo

arxiv:1706.03557 v1 · 2017-06-12 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7A65HCHYBVI6EXDFS6HDILUZ5}

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	2026-05-18T00:42:04.326789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc1ee9c47c06a8f12e32cbc71a174cf62f66658c5e8813b3a737700abddaa9c

Aliases

arxiv: 1706.03557 · arxiv_version: 1706.03557v1 · doi: 10.48550/arxiv.1706.03557 · pith_short_12: T7A65HCHYBVI · pith_short_16: T7A65HCHYBVI6EXD · pith_short_8: T7A65HCH

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/T7A65HCHYBVI6EXDFS6HDILUZ5 \
  | 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: 9fc1ee9c47c06a8f12e32cbc71a174cf62f66658c5e8813b3a737700abddaa9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a44b22b997565a455b7e050964c82bd8891aa9bcfc17f724cb35ac0605975548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-12T10:48:41Z",
    "title_canon_sha256": "f7acae2c3ec3cd4dbb8b1602b9953d60649c18389f8e32dc1f9efed4c9f846e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03557",
    "kind": "arxiv",
    "version": 1
  }
}