Pith Number

pith:BPM5R5NU

pith:2019:BPM5R5NU63A2O4SYQMCX2VSL26

not attested not anchored not stored refs pending

Ground State Excitation of an Atom Strongly Coupled to a Free Quantum Field

Bei-Lok Hu, Jen-Tsung Hsiang

arxiv:1909.05168 v1 · 2019-09-11 · quant-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPM5R5NU63A2O4SYQMCX2VSL26}

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	2026-07-05T00:43:03.876197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd9d8f5b4f6c1a7725883057d564bd7837bb7a60b193b02728cd42e97964194

Aliases

arxiv: 1909.05168 · arxiv_version: 1909.05168v1 · doi: 10.48550/arxiv.1909.05168 · pith_short_12: BPM5R5NU63A2 · pith_short_16: BPM5R5NU63A2O4SY · pith_short_8: BPM5R5NU

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/BPM5R5NU63A2O4SYQMCX2VSL26 \
  | 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: 0bd9d8f5b4f6c1a7725883057d564bd7837bb7a60b193b02728cd42e97964194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ecaec98374bb0cfcb49a7ff8559424ac7484638337de7738dce73f29c103e3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-11T16:13:55Z",
    "title_canon_sha256": "bb2e1184f7650ad71616373bf5e10baafbeb6d09acaaad5039e2d410a3a6088a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05168",
    "kind": "arxiv",
    "version": 1
  }
}