Pith Number

pith:NQBLAHGS

pith:2012:NQBLAHGSI2M24MTU2ZX7SA5ZVA

not attested not anchored not stored refs pending

A generalized Ramsey excitation scheme with suppressed light shift

A. V. Taichenachev, B. Lipphardt, Chr. Tamm, E. Peik, M. Okhapkin, N. Huntemann, V. I. Yudin

arxiv:1209.1992 v2 · 2012-09-10 · physics.atom-ph · physics.optics · 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{NQBLAHGSI2M24MTU2ZX7SA5ZVA}

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	2026-05-18T03:40:02.762598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c02b01cd24699ae3274d66ff903b9a82f5b6fb36f020208ed33bd50684802d0

Aliases

arxiv: 1209.1992 · arxiv_version: 1209.1992v2 · doi: 10.48550/arxiv.1209.1992 · pith_short_12: NQBLAHGSI2M2 · pith_short_16: NQBLAHGSI2M24MTU · pith_short_8: NQBLAHGS

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/NQBLAHGSI2M24MTU2ZX7SA5ZVA \
  | 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: 6c02b01cd24699ae3274d66ff903b9a82f5b6fb36f020208ed33bd50684802d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dbe1ced322d7ba50bdf6b5f1e174a07a51737fd21264848135aa7912205f94f",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-09-10T13:53:22Z",
    "title_canon_sha256": "686b2c5f0207ee4ec641a171549d2c3905be2c751156b4d8e08080ac4b44749f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1992",
    "kind": "arxiv",
    "version": 2
  }
}