Pith Number

pith:7KYULDE5

pith:2020:7KYULDE5BUU2DRZ44YEHLQJDNZ

not attested not anchored not stored refs pending

Vacuum entanglement harvesting with a zero mode

Eduardo Mart\'in-Mart\'inez, Erickson Tjoa

arxiv:2002.11790 v4 · 2020-02-26 · 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{7KYULDE5BUU2DRZ44YEHLQJDNZ}

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	2026-07-05T02:55:51.710917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab1458c9d0d29a1c73ce60875c1236e5c01bd7266dc18e37dbdd70c6a9d5499

Aliases

arxiv: 2002.11790 · arxiv_version: 2002.11790v4 · doi: 10.48550/arxiv.2002.11790 · pith_short_12: 7KYULDE5BUU2 · pith_short_16: 7KYULDE5BUU2DRZ4 · pith_short_8: 7KYULDE5

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/7KYULDE5BUU2DRZ44YEHLQJDNZ \
  | 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: fab1458c9d0d29a1c73ce60875c1236e5c01bd7266dc18e37dbdd70c6a9d5499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be10fe1d3b360f7b3802beb055a2cad68728007fae9c6eb985935e65ea0856d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-26T21:04:01Z",
    "title_canon_sha256": "4ff6eaac1c4ffb1088e6c531c53123abbb82f85ae07d032993d6a9a1a0bda697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11790",
    "kind": "arxiv",
    "version": 4
  }
}