Pith Number

pith:FEHXWOTC

pith:2017:FEHXWOTCPPPYRHCKOQCGKIFHKZ

not attested not anchored not stored refs pending

Free Will in the Theory of Everything

Gerard 't Hooft

arxiv:1709.02874 v2 · 2017-09-08 · quant-ph · hep-th · 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{FEHXWOTCPPPYRHCKOQCGKIFHKZ}

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	2026-05-18T00:34:54.618588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290f7b3a627bdf889c4a74046520a7566ea665a50863852a84a3ec223b3c5f2c

Aliases

arxiv: 1709.02874 · arxiv_version: 1709.02874v2 · doi: 10.48550/arxiv.1709.02874 · pith_short_12: FEHXWOTCPPPY · pith_short_16: FEHXWOTCPPPYRHCK · pith_short_8: FEHXWOTC

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/FEHXWOTCPPPYRHCKOQCGKIFHKZ \
  | 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: 290f7b3a627bdf889c4a74046520a7566ea665a50863852a84a3ec223b3c5f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7031122205a59fa47682e783b74e175cdca65ff7aaf0940b0e996729bcb0c51",
    "cross_cats_sorted": [
      "hep-th",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-08T22:48:14Z",
    "title_canon_sha256": "a9d30bcf1c60f03a0c613727bb237737a1ba9281fa984b7df29f3d076495433a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02874",
    "kind": "arxiv",
    "version": 2
  }
}