Pith Number

pith:GFV77R5M

pith:2002:GFV77R5MAY5ZCDCIXI2FQ4ZNZY

not attested not anchored not stored refs pending

Black-hole horizon and metric singularity at the brane separating two sliding superfluids

G.E. Volovik

arxiv:gr-qc/0208020 v3 · 2002-08-07 · gr-qc · cond-mat · 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{GFV77R5MAY5ZCDCIXI2FQ4ZNZY}

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.

Cited by

1 paper in Pith

Laboratory rivers extremize friction and are cosmological analogues

Receipt and verification

First computed	2026-07-04T16:33:45.921931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

316bffc7ac063b910c48ba3458732dce12dc8a73c1d45cf30b0d97678a4b30f1

Aliases

arxiv: gr-qc/0208020 · arxiv_version: gr-qc/0208020v3 · doi: 10.48550/arxiv.gr-qc/0208020 · pith_short_12: GFV77R5MAY5Z · pith_short_16: GFV77R5MAY5ZCDCI · pith_short_8: GFV77R5M

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/GFV77R5MAY5ZCDCIXI2FQ4ZNZY \
  | 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: 316bffc7ac063b910c48ba3458732dce12dc8a73c1d45cf30b0d97678a4b30f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad204846323d298abd5cc6eb5f5ff1518eeb29b0749dbf43eee0ef40f02b0a9f",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-08-07T15:00:31Z",
    "title_canon_sha256": "aeff60b042919ed2bee5526e35429a545453f355063785190fae3377a5617691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0208020",
    "kind": "arxiv",
    "version": 3
  }
}