Pith Number

pith:Y2VKHTJW

pith:2005:Y2VKHTJW4PGPPJMYAXSKDEIK2U

not attested not anchored not stored refs pending

Two-time interpretation of quantum mechanics

Eyal Y. Gruss, Yakir Aharonov

arxiv:quant-ph/0507269 v1 · 2005-07-28 · 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{Y2VKHTJW4PGPPJMYAXSKDEIK2U}

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	2026-07-04T14:47:01.098449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6aaa3cd36e3ccf7a59805e4a1910ad52c20a6534a18d0148816cf831d72a5aa

Aliases

arxiv: quant-ph/0507269 · arxiv_version: quant-ph/0507269v1 · doi: 10.48550/arxiv.quant-ph/0507269 · pith_short_12: Y2VKHTJW4PGP · pith_short_16: Y2VKHTJW4PGPPJMY · pith_short_8: Y2VKHTJW

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/Y2VKHTJW4PGPPJMYAXSKDEIK2U \
  | 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: c6aaa3cd36e3ccf7a59805e4a1910ad52c20a6534a18d0148816cf831d72a5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8440e8f047e10c501195948d0b360413d6906d67135af57a3d076a6eca3739de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-07-28T08:24:42Z",
    "title_canon_sha256": "d9051d9bc9cba6b489c048dd1ca7458f44a240bae23c798df72d0c8dbe9f564f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0507269",
    "kind": "arxiv",
    "version": 1
  }
}