Pith Number

pith:57CRSPTV

pith:2011:57CRSPTVZRQJWMFFVSCAWSIUYP

not attested not anchored not stored refs pending

On Einstein's opponents, and other crackpots

Jeroen van Dongen

arxiv:1111.2181 v1 · 2011-11-09 · 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{57CRSPTVZRQJWMFFVSCAWSIUYP}

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	2026-05-18T04:08:43.974346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efc5193e75cc609b30a5ac840b4914c3e6f098f4e21f718f24a57d3adf441f3a

Aliases

arxiv: 1111.2181 · arxiv_version: 1111.2181v1 · doi: 10.48550/arxiv.1111.2181 · pith_short_12: 57CRSPTVZRQJ · pith_short_16: 57CRSPTVZRQJWMFF · pith_short_8: 57CRSPTV

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/57CRSPTVZRQJWMFFVSCAWSIUYP \
  | 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: efc5193e75cc609b30a5ac840b4914c3e6f098f4e21f718f24a57d3adf441f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b28c0d17130efd7c752524be23cbd6b457b10a761d0652ffc81db105f439f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-11-09T11:49:03Z",
    "title_canon_sha256": "10cdb63780eebe2ddf5f30ae51aae41d8f38799bd6943cda065743f6f4c2b533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2181",
    "kind": "arxiv",
    "version": 1
  }
}