Pith Number

pith:IHLY5T76

pith:2015:IHLY5T76F4T6SCTTSHAHZONRO4

not attested not anchored not stored refs pending

Spontaneous light emission by atomic Hydrogen: Fermi's golden rule without cheating

A. Nicolet, F. Zolla, T. Durt, V. Debierre

arxiv:1502.06404 v1 · 2015-02-23 · 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{IHLY5T76F4T6SCTTSHAHZONRO4}

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	2026-05-18T01:33:58.497300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41d78ecffe2f27e90a7391c07cb9b177060481944f926f3ade6a4f53907f299c

Aliases

arxiv: 1502.06404 · arxiv_version: 1502.06404v1 · doi: 10.48550/arxiv.1502.06404 · pith_short_12: IHLY5T76F4T6 · pith_short_16: IHLY5T76F4T6SCTT · pith_short_8: IHLY5T76

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/IHLY5T76F4T6SCTTSHAHZONRO4 \
  | 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: 41d78ecffe2f27e90a7391c07cb9b177060481944f926f3ade6a4f53907f299c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f805c2b84d1a611fc4fe56d1f970efc8a097cdd163ef88d1d84dffa8b5d22cb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-23T12:31:33Z",
    "title_canon_sha256": "66ea8da42122e61227aa71e0a523e0d465d04a83933521933b512ad587af9cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06404",
    "kind": "arxiv",
    "version": 1
  }
}