Pith Number

pith:IM4XMNOI

pith:2009:IM4XMNOIJMSSWNX4YKLAJHWTSI

not attested not anchored not stored refs pending

Comment on "No quantum friction between uniformly moving plates"

A.I. Volokitin, B.N.J. Persson

arxiv:0904.3703 v3 · 2009-04-23 · cond-mat.other

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM4XMNOIJMSSWNX4YKLAJHWTSI}

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	2026-05-18T02:43:52.580776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43397635c84b252b36fcc296049ed3923337c9c5551869b7c716c57911084313

Aliases

arxiv: 0904.3703 · arxiv_version: 0904.3703v3 · doi: 10.48550/arxiv.0904.3703 · pith_short_12: IM4XMNOIJMSS · pith_short_16: IM4XMNOIJMSSWNX4 · pith_short_8: IM4XMNOI

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/IM4XMNOIJMSSWNX4YKLAJHWTSI \
  | 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: 43397635c84b252b36fcc296049ed3923337c9c5551869b7c716c57911084313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57fa02b5a6d1377757252b52e0cac8be6716975d7da7b5bb5573a2b17a58feab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-04-23T14:28:08Z",
    "title_canon_sha256": "122f8354c45cdc9682f17c4c7d27374d25f6f3dd79b7be26f7d5cb9d09a8e0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3703",
    "kind": "arxiv",
    "version": 3
  }
}