Pith Number

pith:QXS2CAW4

pith:2021:QXS2CAW4G7GYOE23VIUZ53TOZQ

not attested not anchored not stored refs pending

On the linear transformation between inertial frames

Qing Gao, Yungui Gong

arxiv:2110.05936 v4 · 2021-10-08 · physics.gen-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{QXS2CAW4G7GYOE23VIUZ53TOZQ}

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	2026-07-05T03:40:03.292527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e5a102dc37cd87135baa299eee6ecc368b4137111ab1bd22da6a13632dea8b

Aliases

arxiv: 2110.05936 · arxiv_version: 2110.05936v4 · doi: 10.48550/arxiv.2110.05936 · pith_short_12: QXS2CAW4G7GY · pith_short_16: QXS2CAW4G7GYOE23 · pith_short_8: QXS2CAW4

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/QXS2CAW4G7GYOE23VIUZ53TOZQ \
  | 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: 85e5a102dc37cd87135baa299eee6ecc368b4137111ab1bd22da6a13632dea8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163d8cc751eec17df9de35b44e4d39be2340250372c97e3a27c8391751bc0fc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2021-10-08T09:53:38Z",
    "title_canon_sha256": "1865c33237ea3d3ae6e4166f46df6b04ccf841f750e14c2b4fd1567383469897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.05936",
    "kind": "arxiv",
    "version": 4
  }
}