Pith Number

pith:CH23PBHZ

pith:2018:CH23PBHZINJJKJ33IVOON5TYP4

not attested not anchored not stored refs pending

Topological Features of the Quantum Vacuum

Ra\'ul Carballo-Rubio, Stephon Alexander

arxiv:1810.02159 v1 · 2018-10-04 · gr-qc · hep-ex · 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{CH23PBHZINJJKJ33IVOON5TYP4}

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	2026-07-05T00:38:23.298981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f5b784f9435295277b455ce6f6787f030289234b6d2776b8d3b8b83050b18e

Aliases

arxiv: 1810.02159 · arxiv_version: 1810.02159v1 · doi: 10.48550/arxiv.1810.02159 · pith_short_12: CH23PBHZINJJ · pith_short_16: CH23PBHZINJJKJ33 · pith_short_8: CH23PBHZ

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/CH23PBHZINJJKJ33IVOON5TYP4 \
  | 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: 11f5b784f9435295277b455ce6f6787f030289234b6d2776b8d3b8b83050b18e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1d432e619d7b53e99eb252502a05bcc3341d4cfaad3be8f380cbde5048a9cca",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-04T11:56:36Z",
    "title_canon_sha256": "08e2487b21925a03879d40ba34fe669f40cca9487646abedcf950295b5bf149f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02159",
    "kind": "arxiv",
    "version": 1
  }
}