Pith Number

pith:IP5NDUWU

pith:2001:IP5NDUWUUSKH3357LBRPSPSKMD

not attested not anchored not stored refs pending

Vacuum in quantum liquids and in general relativity

G.E. Volovik

arxiv:gr-qc/0104046 v1 · 2001-04-15 · 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{IP5NDUWUUSKH3357LBRPSPSKMD}

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	2026-07-04T14:25:22.305218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43fad1d2d4a4947defbf5862f93e4a60d82d2e85bc3393365d846201c0174585

Aliases

arxiv: gr-qc/0104046 · arxiv_version: gr-qc/0104046v1 · doi: 10.48550/arxiv.gr-qc/0104046 · pith_short_12: IP5NDUWUUSKH · pith_short_16: IP5NDUWUUSKH3357 · pith_short_8: IP5NDUWU

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/IP5NDUWUUSKH3357LBRPSPSKMD \
  | 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: 43fad1d2d4a4947defbf5862f93e4a60d82d2e85bc3393365d846201c0174585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d949afaa3b8de0bf02e582a09447bb2e0f2f4b1c68b429e747cd5b341e8fece",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-04-15T09:37:34Z",
    "title_canon_sha256": "c90af0a99f5b0f871a2a8aee0b7250e38ac6b3c217c2bf93b7b8f8b30828afbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0104046",
    "kind": "arxiv",
    "version": 1
  }
}