Pith Number

pith:YGGFTGKX

pith:2008:YGGFTGKX4YIBTXPX5ZIVWY2HBS

not attested not anchored not stored refs pending

No quantum friction between uniformly moving plates

T.G. Philbin, U. Leonhardt

arxiv:0810.3750 v3 · 2008-10-21 · quant-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGGFTGKX4YIBTXPX5ZIVWY2HBS}

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	2026-07-04T17:13:17.692599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c18c599957e61019ddf7ee515b63470ca39fa406e9a85b19d776b0944be42086

Aliases

arxiv: 0810.3750 · arxiv_version: 0810.3750v3 · doi: 10.48550/arxiv.0810.3750 · pith_short_12: YGGFTGKX4YIB · pith_short_16: YGGFTGKX4YIBTXPX · pith_short_8: YGGFTGKX

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/YGGFTGKX4YIBTXPX5ZIVWY2HBS \
  | 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: c18c599957e61019ddf7ee515b63470ca39fa406e9a85b19d776b0944be42086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b07531e6c9f3ffa7f3d38ae62f606409098c44e4351d82349207aa5e51a3930",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-21T06:03:43Z",
    "title_canon_sha256": "acc9623a491cf68e73c574123138fb3720cca71692ffd66cf2c6c7a1bda38057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3750",
    "kind": "arxiv",
    "version": 3
  }
}