Pith Number

pith:SK6X52RZ

pith:2017:SK6X52RZBF2WGCF5VNBCZA7RQM

not attested not anchored not stored refs pending

Time Symmetric Quantum Theory Without Retrocausality? A Reply to Tim Maudlin

Matthew S. Leifer

arxiv:1708.04364 v1 · 2017-08-15 · 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{SK6X52RZBF2WGCF5VNBCZA7RQM}

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	2026-05-18T00:37:59.547837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92bd7eea3909756308bdab422c83f1833090ea86c0ab40a2bea6a23b23282cfb

Aliases

arxiv: 1708.04364 · arxiv_version: 1708.04364v1 · doi: 10.48550/arxiv.1708.04364 · pith_short_12: SK6X52RZBF2W · pith_short_16: SK6X52RZBF2WGCF5 · pith_short_8: SK6X52RZ

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/SK6X52RZBF2WGCF5VNBCZA7RQM \
  | 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: 92bd7eea3909756308bdab422c83f1833090ea86c0ab40a2bea6a23b23282cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e4055077c233106bfae045fc4ea151b4d0acf3ff69aca7f376fbd7bead4fe2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-15T00:26:27Z",
    "title_canon_sha256": "3fa53d3fc36179528c4c7e4d4465555ec56faa41c87c0aef8db59f06cebe18b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04364",
    "kind": "arxiv",
    "version": 1
  }
}