Pith Number

pith:QFFVXH45

pith:2026:QFFVXH45AFBQN7IWM7WGX6AO2Y

not attested not anchored not stored refs pending

The arrow of time, irreversibility, equilibrium and measurement in quantum mechanics

Christopher J. N. Coveney, Peter V. Coveney

arxiv:2607.19142 v1 · 2026-07-21 · quant-ph · cond-mat.stat-mech · math-ph · math.MP · 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{QFFVXH45AFBQN7IWM7WGX6AO2Y}

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	2026-07-22T01:24:10.763353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

814b5b9f9d014306fd1667ec6bf80ed62d61f1a7c20c553a827777a2be720612

Aliases

arxiv: 2607.19142 · arxiv_version: 2607.19142v1 · doi: 10.48550/arxiv.2607.19142 · pith_short_12: QFFVXH45AFBQ · pith_short_16: QFFVXH45AFBQN7IW · pith_short_8: QFFVXH45

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/QFFVXH45AFBQN7IWM7WGX6AO2Y \
  | 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: 814b5b9f9d014306fd1667ec6bf80ed62d61f1a7c20c553a827777a2be720612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1415e3dc01120b415b875666b10220a6c9a30453c7bc05a3541a8337592069b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP",
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-21T14:35:12Z",
    "title_canon_sha256": "78a670fba6260470763c09aea7b2b4d02bd1fdbe2f33ee0fbd278851a6772b0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19142",
    "kind": "arxiv",
    "version": 1
  }
}