Pith Number

pith:XYW4VNVN

pith:2012:XYW4VNVNJQGWHV4TPVH3A5DPM7

not attested not anchored not stored refs pending

Radiative friction on an excited atom moving in vacuum

Wei Guo

arxiv:1204.6646 v1 · 2012-04-30 · 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{XYW4VNVNJQGWHV4TPVH3A5DPM7}

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	2026-05-18T03:56:44.217940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be2dcab6ad4c0d63d7937d4fb0746f67cc4179cdab96fcfd5778be23d72a8a7e

Aliases

arxiv: 1204.6646 · arxiv_version: 1204.6646v1 · doi: 10.48550/arxiv.1204.6646 · pith_short_12: XYW4VNVNJQGW · pith_short_16: XYW4VNVNJQGWHV4T · pith_short_8: XYW4VNVN

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/XYW4VNVNJQGWHV4TPVH3A5DPM7 \
  | 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: be2dcab6ad4c0d63d7937d4fb0746f67cc4179cdab96fcfd5778be23d72a8a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e308d25aaa14492fe18473aebfd60e3ec34516a012183e4e0f6a30d0c133b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-30T14:19:59Z",
    "title_canon_sha256": "e468902411aa28e11e9bc00318312aade48b3a96bf18a1a6edbab17057f0e4bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6646",
    "kind": "arxiv",
    "version": 1
  }
}