Pith Number

pith:PWNEMAC6

pith:2010:PWNEMAC6G6BSSEMYPGTBD7TQGH

not attested not anchored not stored refs pending

Comment on "Quantum Friction - Fact or Fiction?"

Ulf Leonhardt

arxiv:1003.3198 v1 · 2010-03-16 · quant-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{PWNEMAC6G6BSSEMYPGTBD7TQGH}

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	2026-05-18T02:08:33.219605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9a46005e378329119879a611fe7031dead95d4952d215f4bf08671435fbc6a

Aliases

arxiv: 1003.3198 · arxiv_version: 1003.3198v1 · doi: 10.48550/arxiv.1003.3198 · pith_short_12: PWNEMAC6G6BS · pith_short_16: PWNEMAC6G6BSSEMY · pith_short_8: PWNEMAC6

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/PWNEMAC6G6BSSEMYPGTBD7TQGH \
  | 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: 7d9a46005e378329119879a611fe7031dead95d4952d215f4bf08671435fbc6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0404b434649d65642179ab0b989235d4bd1a3ed3fa68ded01db95563a4135d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-16T17:35:11Z",
    "title_canon_sha256": "8e6138572e37e54bde7f929e19687cbe7c6914be1945c20448c8cd936a189684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3198",
    "kind": "arxiv",
    "version": 1
  }
}