Pith Number

pith:7ILPB2Z7

pith:2022:7ILPB2Z7GFVJ7IPTB672RQFD7K

not attested not anchored not stored refs pending

Indefinite causal order with fixed temporal order for electrons and positrons

Aur\'elien Drezet

arxiv:2202.12886 v2 · 2022-02-25 · quant-ph · 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{7ILPB2Z7GFVJ7IPTB672RQFD7K}

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	2026-07-05T04:01:34.767431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa16f0eb3f316a9fa1f30fbfa8c0a3fa91704bc7f17a1581470b8038812cf261

Aliases

arxiv: 2202.12886 · arxiv_version: 2202.12886v2 · doi: 10.48550/arxiv.2202.12886 · pith_short_12: 7ILPB2Z7GFVJ · pith_short_16: 7ILPB2Z7GFVJ7IPT · pith_short_8: 7ILPB2Z7

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/7ILPB2Z7GFVJ7IPTB672RQFD7K \
  | 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: fa16f0eb3f316a9fa1f30fbfa8c0a3fa91704bc7f17a1581470b8038812cf261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa04c81b0cf58ce2ea93004ccd952ad996a1c7fd74b17bc09117e01b8b215313",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-25T18:54:15Z",
    "title_canon_sha256": "c404a43be68102d285faae3419039579635c8b5cc03614668520af71da660f8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12886",
    "kind": "arxiv",
    "version": 2
  }
}