Pith Number

pith:7ETEPC3J

pith:2016:7ETEPC3JJRJR4PF3WZ4MNS5WA2

not attested not anchored not stored refs pending

Is There Really "Retrocausation" in Time-Symmetric Approaches to Quantum Mechanics?

R. E. Kastner

arxiv:1607.04196 v2 · 2016-07-12 · 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{7ETEPC3JJRJR4PF3WZ4MNS5WA2}

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	2026-05-18T00:43:02.577256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f926478b694c531e3cbbb678c6cbb606842c7ce812e8a23c9e2a240747f620d9

Aliases

arxiv: 1607.04196 · arxiv_version: 1607.04196v2 · doi: 10.48550/arxiv.1607.04196 · pith_short_12: 7ETEPC3JJRJR · pith_short_16: 7ETEPC3JJRJR4PF3 · pith_short_8: 7ETEPC3J

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/7ETEPC3JJRJR4PF3WZ4MNS5WA2 \
  | 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: f926478b694c531e3cbbb678c6cbb606842c7ce812e8a23c9e2a240747f620d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b55152265a0e047816ceeb0d5c1b0c4eadaa996d69659ea9a25d81d9bc8500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-12T21:21:26Z",
    "title_canon_sha256": "a1e531d9453c01b37f57f6e105913cc4685be0b6bd535e0afd4cd01c7b2cdd6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04196",
    "kind": "arxiv",
    "version": 2
  }
}