Pith Number

pith:PZZ4QJBK

pith:2016:PZZ4QJBKLQKT7X35YC4DTRO7F2

not attested not anchored not stored refs pending

Deformed symmetries in noncommutative and multifractional spacetimes

Gianluca Calcagni, Michele Ronco

arxiv:1608.01667 v2 · 2016-08-04 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZZ4QJBKLQKT7X35YC4DTRO7F2}

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	2026-05-18T00:51:30.241457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e73c8242a5c153fdf7dc0b839c5df2eba794f46686312cac1e6dfc3648c926c

Aliases

arxiv: 1608.01667 · arxiv_version: 1608.01667v2 · doi: 10.48550/arxiv.1608.01667 · pith_short_12: PZZ4QJBKLQKT · pith_short_16: PZZ4QJBKLQKT7X35 · pith_short_8: PZZ4QJBK

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/PZZ4QJBKLQKT7X35YC4DTRO7F2 \
  | 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: 7e73c8242a5c153fdf7dc0b839c5df2eba794f46686312cac1e6dfc3648c926c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "989c872894f2704dc362af2e526eb46341fd2fdd1fc9af1f0e1b42ccd107e4c8",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-08-04T19:59:28Z",
    "title_canon_sha256": "9d7b739addb750d57a98780a9498bf71597b47f63e8bc59b66d9e4409c421a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01667",
    "kind": "arxiv",
    "version": 2
  }
}