Pith Number

pith:2H7CAAFT

pith:2002:2H7CAAFTZWY7SHD7OKZA3FHWOS

not attested not anchored not stored refs pending

Dark state suppression and narrow fluorescent feature in a laser-driven lambda atom

Christoph H. Keitel, David Bullock, Joerg Evers

arxiv:quant-ph/0204166 v2 · 2002-04-29 · 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{2H7CAAFTZWY7SHD7OKZA3FHWOS}

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	2026-07-04T16:36:03.086711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1fe2000b3cdb1f91c7f72b20d94f674bf3af3788b21d1d4b4ba552a3bd929df

Aliases

arxiv: quant-ph/0204166 · arxiv_version: quant-ph/0204166v2 · doi: 10.48550/arxiv.quant-ph/0204166 · pith_short_12: 2H7CAAFTZWY7 · pith_short_16: 2H7CAAFTZWY7SHD7 · pith_short_8: 2H7CAAFT

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/2H7CAAFTZWY7SHD7OKZA3FHWOS \
  | 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: d1fe2000b3cdb1f91c7f72b20d94f674bf3af3788b21d1d4b4ba552a3bd929df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f28528b32e8cdce630ffbb971fadc156d5a33afc0335f9fb3cfaeb92599a4e73",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-04-29T17:21:08Z",
    "title_canon_sha256": "d528a8393cfd0288d4c1212235ddcc1968f2aff47495ac72b14b310e37489717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0204166",
    "kind": "arxiv",
    "version": 2
  }
}