Pith Number

pith:KBCVT2Y2

pith:2012:KBCVT2Y2DDEWUB4VF7RH3A4S2G

not attested not anchored not stored refs pending

Negative frequency resonant radiation

C.E. Kuklewicz, D. Faccio, D. Townsend, E. Rubino, F. Belgiorno, F. K\"onig, J. McLenaghan, S. C. Kehr, S. Rohr, U. Leonhardt

arxiv:1201.2689 v1 · 2012-01-12 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBCVT2Y2DDEWUB4VF7RH3A4S2G}

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	2026-05-18T01:58:51.823230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

504559eb1a18c96a07952fe27d8392d1b3c654cc258dbe410f45353d95a1c576

Aliases

arxiv: 1201.2689 · arxiv_version: 1201.2689v1 · doi: 10.48550/arxiv.1201.2689 · pith_short_12: KBCVT2Y2DDEW · pith_short_16: KBCVT2Y2DDEWUB4V · pith_short_8: KBCVT2Y2

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/KBCVT2Y2DDEWUB4VF7RH3A4S2G \
  | 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: 504559eb1a18c96a07952fe27d8392d1b3c654cc258dbe410f45353d95a1c576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d27f999d45603534147d5dd596f037c03f571692729b6bf63e1439ad13dd457",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-12T21:29:22Z",
    "title_canon_sha256": "98a288382bfd94b2e676a8912321dbe6337afc102bd1081ca9eebf25c82d36cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2689",
    "kind": "arxiv",
    "version": 1
  }
}