Pith Number

pith:KUMGULIP

pith:2002:KUMGULIPYFN57YPARTCQOXNQ5J

not attested not anchored not stored refs pending

Time-Reversed EPR and the Choice of Histories in Quantum Mechanics

Anton Zeilinger, Avshalom C. Elitzur, Shahar Dolev

arxiv:quant-ph/0205182 v1 · 2002-05-29 · 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{KUMGULIPYFN57YPARTCQOXNQ5J}

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	2026-05-18T00:36:52.367725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55186a2d0fc15bdfe1e08cc5075db0ea60c544d3ced55662b86078a179b1bc0e

Aliases

arxiv: quant-ph/0205182 · arxiv_version: quant-ph/0205182v1 · doi: 10.48550/arxiv.quant-ph/0205182 · pith_short_12: KUMGULIPYFN5 · pith_short_16: KUMGULIPYFN57YPA · pith_short_8: KUMGULIP

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/KUMGULIPYFN57YPARTCQOXNQ5J \
  | 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: 55186a2d0fc15bdfe1e08cc5075db0ea60c544d3ced55662b86078a179b1bc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bec487598bdae9577353ccf5323af65c2726284f9ae2261e65ebf22d462ff37",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-05-29T14:21:38Z",
    "title_canon_sha256": "97dd7a9f57a74a33a79efd86957116c8630548583d185f8a2131e2d8ea594214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0205182",
    "kind": "arxiv",
    "version": 1
  }
}