Pith Number

pith:WQYMQJMR

pith:2017:WQYMQJMRVOMPESNPCLV6DPCX5I

not attested not anchored not stored refs pending

Causation, Information, and Physics

Geoff Beck

arxiv:1707.08778 v3 · 2017-07-27 · physics.hist-ph · quant-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{WQYMQJMRVOMPESNPCLV6DPCX5I}

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	2026-05-17T23:59:25.226874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b430c82591ab98f249af12ebe1bc57ea332e8e2f145eed1f998e434aca77bcd6

Aliases

arxiv: 1707.08778 · arxiv_version: 1707.08778v3 · doi: 10.48550/arxiv.1707.08778 · pith_short_12: WQYMQJMRVOMP · pith_short_16: WQYMQJMRVOMPESNP · pith_short_8: WQYMQJMR

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/WQYMQJMRVOMPESNPCLV6DPCX5I \
  | 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: b430c82591ab98f249af12ebe1bc57ea332e8e2f145eed1f998e434aca77bcd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d872ed832057464c3faf23858bff98452476c6e75f994334fe4827246021f9",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-07-27T08:43:48Z",
    "title_canon_sha256": "d1c5dca54eb95bbbab9ed33cb4a864be6887e13cd5e42b579b0f3a4297d3d4e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08778",
    "kind": "arxiv",
    "version": 3
  }
}