Pith Number

pith:3CAZBQS2

pith:2020:3CAZBQS26BALLE3ATN2FL2ORUS

not attested not anchored not stored refs pending

Communication through quantum fields near a black hole

Achim Kempf, David Q. Aruquipa, Eduardo Mart\'in-Mart\'inez, Marc Casals, Robert H. Jonsson

arxiv:2002.05482 v3 · 2020-02-13 · quant-ph · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CAZBQS26BALLE3ATN2FL2ORUS}

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	2026-07-05T01:10:57.707381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88190c25af040b593609b7455e9d1a4b6b515920815d15ff1aeb1882a609f99

Aliases

arxiv: 2002.05482 · arxiv_version: 2002.05482v3 · doi: 10.48550/arxiv.2002.05482 · pith_short_12: 3CAZBQS26BAL · pith_short_16: 3CAZBQS26BALLE3A · pith_short_8: 3CAZBQS2

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/3CAZBQS26BALLE3ATN2FL2ORUS \
  | 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: d88190c25af040b593609b7455e9d1a4b6b515920815d15ff1aeb1882a609f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12619c75d185fcb0c3181145dc9127d829542ee90e17fe2ec5b39a2e55b43afe",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-13T12:44:20Z",
    "title_canon_sha256": "0baa6580d25df1cc23d964c179dc7d74b63877437f5d132bdae465a1f92119b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05482",
    "kind": "arxiv",
    "version": 3
  }
}