Pith Number

pith:PVF4CX7U

pith:2023:PVF4CX7UYFQ3FZFV7UBHNJ3DFN

not attested not anchored not stored refs pending

Acoustic metric and Planck constants

G.E. Volovik

arxiv:2302.08894 v3 · 2023-02-16 · cond-mat.other · gr-qc · hep-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{PVF4CX7UYFQ3FZFV7UBHNJ3DFN}

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	2026-07-05T05:59:45.804963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d4bc15ff4c161b2e4b5fd0276a7632b7915b3d26e9b2bc481d16878b956d7d6

Aliases

arxiv: 2302.08894 · arxiv_version: 2302.08894v3 · doi: 10.48550/arxiv.2302.08894 · pith_short_12: PVF4CX7UYFQ3 · pith_short_16: PVF4CX7UYFQ3FZFV · pith_short_8: PVF4CX7U

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/PVF4CX7UYFQ3FZFV7UBHNJ3DFN \
  | 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: 7d4bc15ff4c161b2e4b5fd0276a7632b7915b3d26e9b2bc481d16878b956d7d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a27d0423c93d1512a1112735ef5b8e108a69350fab851a3fab69d9673cb13a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2023-02-16T15:32:03Z",
    "title_canon_sha256": "20bbd351b229cad0d4bb0b73d4ad46d2f85bcbcc94f6b35250dd8a8ca489a424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.08894",
    "kind": "arxiv",
    "version": 3
  }
}