Pith Number

pith:6NBBOB7Y

pith:2026:6NBBOB7YX3B4D3LQBARJDZAYC2

not attested not anchored not stored refs pending

Exact calculation of entanglement negativity for a 1+1D massless scalar field using phase space methods

Atharva Hingane, Jason Pye, Robert H. Jonsson

arxiv:2606.30231 v1 · 2026-06-29 · hep-th · math-ph · math.MP · 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{6NBBOB7YX3B4D3LQBARJDZAYC2}

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	2026-06-30T02:17:55.430275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3421707f8bec3c1ed70082291e41816937d907e47eafb6d6e3113e930b41505

Aliases

arxiv: 2606.30231 · arxiv_version: 2606.30231v1 · doi: 10.48550/arxiv.2606.30231 · pith_short_12: 6NBBOB7YX3B4 · pith_short_16: 6NBBOB7YX3B4D3LQ · pith_short_8: 6NBBOB7Y

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/6NBBOB7YX3B4D3LQBARJDZAYC2 \
  | 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: f3421707f8bec3c1ed70082291e41816937d907e47eafb6d6e3113e930b41505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd9bb5debe631e40151f2fb71ae741dcd4aeafc21f7638bf2361a55552aeb7a4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-06-29T12:44:17Z",
    "title_canon_sha256": "6f70c6d302fef1cdb53eeb40f0cd13001f4dfde0cc94f68eaf1d360934eeec25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30231",
    "kind": "arxiv",
    "version": 1
  }
}