Pith Number

pith:PRCKDKVH

pith:1995:PRCKDKVHF3HTKFSYADUJKLHPKX

not attested not anchored not stored refs pending

THE "FREELY" FALLING TWO-LEVEL ATOM IN A RUNNING LASER WAVE

Juergen Audretsch, Karl-Peter Marzlin

arxiv:quant-ph/9502016 v1 · 1995-02-17 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRCKDKVHF3HTKFSYADUJKLHPKX}

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	2026-05-18T01:05:02.331204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c44a1aaa72ecf35165800e8952cef55f0187576e7176a83db87c6c3033c7215

Aliases

arxiv: quant-ph/9502016 · arxiv_version: quant-ph/9502016v1 · doi: 10.48550/arxiv.quant-ph/9502016 · pith_short_12: PRCKDKVHF3HT · pith_short_16: PRCKDKVHF3HTKFSY · pith_short_8: PRCKDKVH

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/PRCKDKVHF3HTKFSYADUJKLHPKX \
  | 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: 7c44a1aaa72ecf35165800e8952cef55f0187576e7176a83db87c6c3033c7215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5f0621f0c126d936af2f2a3eff6f72234b6be941e3de01501f551e6c8f8b79",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1995-02-17T13:28:12Z",
    "title_canon_sha256": "b0264397201995e55a1cd05ff5bc467ebdc0527faaa7f710db6d7b1bff91e692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9502016",
    "kind": "arxiv",
    "version": 1
  }
}