Pith Number

pith:VV5PKAMN

pith:2019:VV5PKAMNQ4VF2GJIE2TCDPQ5PL

not attested not anchored not stored refs pending

The Struble-Einstein Correspondence

Marcus C. Werner

arxiv:1904.11206 v1 · 2019-04-25 · 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{VV5PKAMNQ4VF2GJIE2TCDPQ5PL}

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	2026-05-17T23:47:45.529732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad7af5018d872a5d192826a621be1d7addd65d3c61ebe07422c678e6d66d3d70

Aliases

arxiv: 1904.11206 · arxiv_version: 1904.11206v1 · doi: 10.48550/arxiv.1904.11206 · pith_short_12: VV5PKAMNQ4VF · pith_short_16: VV5PKAMNQ4VF2GJI · pith_short_8: VV5PKAMN

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/VV5PKAMNQ4VF2GJIE2TCDPQ5PL \
  | 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: ad7af5018d872a5d192826a621be1d7addd65d3c61ebe07422c678e6d66d3d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1470265ce79f62ebc0278d8f34773d288e58a9584bd902d90c7e2c89f8a1f54b",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-25T08:37:18Z",
    "title_canon_sha256": "be6daf51a4436402273e1afec76b54c477031cc74c861f14588bf759b2e96ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11206",
    "kind": "arxiv",
    "version": 1
  }
}