Pith Number

pith:RB3YEHW3

pith:2021:RB3YEHW3UO5DFRFCSZCL4TXZOY

not attested not anchored not stored refs pending

Replacing the Notion of Spacetime Distance by the Notion of Correlation

Achim Kempf

arxiv:2110.08278 v1 · 2021-10-15 · gr-qc · 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{RB3YEHW3UO5DFRFCSZCL4TXZOY}

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.

Cited by

1 paper in Pith

Entanglement between accelerated probes in a de Sitter spacetime

Receipt and verification

First computed	2026-07-05T03:23:15.932586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8877821edba3ba32c4a29644be4ef97636dcf8260c07f79452cc44f6003ea0a2

Aliases

arxiv: 2110.08278 · arxiv_version: 2110.08278v1 · doi: 10.48550/arxiv.2110.08278 · pith_short_12: RB3YEHW3UO5D · pith_short_16: RB3YEHW3UO5DFRFC · pith_short_8: RB3YEHW3

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/RB3YEHW3UO5DFRFCSZCL4TXZOY \
  | 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: 8877821edba3ba32c4a29644be4ef97636dcf8260c07f79452cc44f6003ea0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5de0b90bd08e0929ab4b8103c69b05e4ba2ceab16e36dd279edad293f55760c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-15T18:00:01Z",
    "title_canon_sha256": "44967acd17e6334a5e9ea3e7d21ec09ad638cc14ab838e0489f030e32a2d0273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08278",
    "kind": "arxiv",
    "version": 1
  }
}