Pith Number

pith:UNR6QQG7

pith:2014:UNR6QQG7GG22G7M6ZNHREWCDGR

not attested not anchored not stored refs pending

Kinematical versus Dynamical Contractions of the de Sitter Lie algebras

Joachim Nzotungicimpaye

arxiv:1406.0972 v4 · 2014-06-04 · 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{UNR6QQG7GG22G7M6ZNHREWCDGR}

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	2026-05-17T23:49:53.502743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a363e840df31b5a37d9ecb4f12584334481b1049b05b9a2371ed1ae8ce220b5f

Aliases

arxiv: 1406.0972 · arxiv_version: 1406.0972v4 · doi: 10.48550/arxiv.1406.0972 · pith_short_12: UNR6QQG7GG22 · pith_short_16: UNR6QQG7GG22G7M6 · pith_short_8: UNR6QQG7

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/UNR6QQG7GG22G7M6ZNHREWCDGR \
  | 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: a363e840df31b5a37d9ecb4f12584334481b1049b05b9a2371ed1ae8ce220b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5eb0a272d864183ed92483475c305d29f8ebb3d96442ddbcee1bc90b88e29e9",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-06-04T08:36:09Z",
    "title_canon_sha256": "376f620daf2fd50acf6c94937b44323a92df4c5fcd67b14d6626243baef37fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0972",
    "kind": "arxiv",
    "version": 4
  }
}