Pith Number

pith:SSD2ACLD

pith:2016:SSD2ACLD2YREZ7VXXXWNNWUGUB

not attested not anchored not stored refs pending

Four paradoxes about the special theory of relativity

Kai Chen, Xiao-jun Li, Xiao-Niu Li, Yong-An Li

arxiv:1607.03837 v1 · 2016-07-07 · physics.pop-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{SSD2ACLD2YREZ7VXXXWNNWUGUB}

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	2026-05-18T01:11:05.573710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9487a00963d6224cfeb7bdecd6da86a0480d92541245722bee28d99fba791953

Aliases

arxiv: 1607.03837 · arxiv_version: 1607.03837v1 · doi: 10.48550/arxiv.1607.03837 · pith_short_12: SSD2ACLD2YRE · pith_short_16: SSD2ACLD2YREZ7VX · pith_short_8: SSD2ACLD

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/SSD2ACLD2YREZ7VXXXWNNWUGUB \
  | 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: 9487a00963d6224cfeb7bdecd6da86a0480d92541245722bee28d99fba791953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e172bce32f712b4ce816f8e3fdca31bbb66d08ad3d32b5f79a0291174451af3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2016-07-07T08:12:20Z",
    "title_canon_sha256": "f7e3710638b979ba35860bb19f3e756688764659e77ca20b8002805627a7c770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03837",
    "kind": "arxiv",
    "version": 1
  }
}