Pith Number

pith:EFLMZG53

pith:2013:EFLMZG533K2ZYHTX6ZMWB37QPW

not attested not anchored not stored refs pending

Einstein's Special Relativity: The Hyperbolic Geometric Viewpoint

Abraham A. Ungar

arxiv:1302.6961 v1 · 2013-02-27 · 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{EFLMZG533K2ZYHTX6ZMWB37QPW}

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	2026-05-18T03:32:18.045934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2156cc9bbbdab59c1e77f65960eff07d996b260a03120908ee38fa4656d7391a

Aliases

arxiv: 1302.6961 · arxiv_version: 1302.6961v1 · doi: 10.48550/arxiv.1302.6961 · pith_short_12: EFLMZG533K2Z · pith_short_16: EFLMZG533K2ZYHTX · pith_short_8: EFLMZG53

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/EFLMZG533K2ZYHTX6ZMWB37QPW \
  | 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: 2156cc9bbbdab59c1e77f65960eff07d996b260a03120908ee38fa4656d7391a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eeaf8d4a790a7683af71bf0097dd8a0990a49626aa44f84ad034556505c73fb",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-02-27T19:16:28Z",
    "title_canon_sha256": "06aae45ad316e0f556166a4260d170241db2a1dd6747ad6dc885af7465b123ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6961",
    "kind": "arxiv",
    "version": 1
  }
}