Pith Number

pith:KW4WMWRA

pith:2013:KW4WMWRA5Q3GFU334YCO2PKTHN

not attested not anchored not stored refs pending

Einstein's "Prague field-equation" -- another perspective

Domenico Giulini

arxiv:1306.5966 v1 · 2013-06-25 · gr-qc · physics.hist-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{KW4WMWRA5Q3GFU334YCO2PKTHN}

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	2026-05-18T01:59:53.720372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b9665a20ec3662d37be604ed3d533b717fecbb566f0467ec66403b5aa836c7

Aliases

arxiv: 1306.5966 · arxiv_version: 1306.5966v1 · doi: 10.48550/arxiv.1306.5966 · pith_short_12: KW4WMWRA5Q3G · pith_short_16: KW4WMWRA5Q3GFU33 · pith_short_8: KW4WMWRA

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/KW4WMWRA5Q3GFU334YCO2PKTHN \
  | 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: 55b9665a20ec3662d37be604ed3d533b717fecbb566f0467ec66403b5aa836c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead80eff828805d1c199625792d8bd0299873b4529c4bab262d6784cd3606f57",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-25T13:53:03Z",
    "title_canon_sha256": "c0567808d46d7b081cbe406c90e540883a341b9bc1f229a39336f545b6590b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5966",
    "kind": "arxiv",
    "version": 1
  }
}