Pith Number

pith:DNBIASN4

pith:2013:DNBIASN4PI7PXPKNQDZDR2SXRM

not attested not anchored not stored refs pending

On the robustness of entanglement in analogue gravity systems

David Edward Bruschi, Ivette Fuentes, Nicolai Friis, Silke Weinfurtner

arxiv:1305.3867 v2 · 2013-05-16 · quant-ph · cond-mat.quant-gas · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNBIASN4PI7PXPKNQDZDR2SXRM}

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	2026-05-18T03:07:44.338105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b428049bc7a3efbbd4d80f238ea578b0172484e958ac1ef6e15040a62234b71

Aliases

arxiv: 1305.3867 · arxiv_version: 1305.3867v2 · doi: 10.48550/arxiv.1305.3867 · pith_short_12: DNBIASN4PI7P · pith_short_16: DNBIASN4PI7PXPKN · pith_short_8: DNBIASN4

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/DNBIASN4PI7PXPKNQDZDR2SXRM \
  | 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: 1b428049bc7a3efbbd4d80f238ea578b0172484e958ac1ef6e15040a62234b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f331c833ae0f64dc9e78254ab69a8c42cde881d61771180df74c9ba41fe15e7b",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-16T16:42:36Z",
    "title_canon_sha256": "9a61a4bb9ff760416e5e97b0f278008e75e747ec99615a5ec2eb30aae5f43076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3867",
    "kind": "arxiv",
    "version": 2
  }
}