Pith Number

pith:YCRRY76M

pith:2011:YCRRY76M65AU4K2EKBV6H4UD4U

not attested not anchored not stored refs pending

Quantum spacetime fluctuations: Lamb Shift and hyperfine structure of the hydrogen atom

Abel Camacho, Ertan Goeklue, Juan Israel Rivas

arxiv:1105.6345 v1 · 2011-05-31 · 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{YCRRY76M65AU4K2EKBV6H4UD4U}

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	2026-05-18T02:01:45.314419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a31c7fccf7414e2b44506be3f283e51d6a6b6ba6bcaa607128d17cabe906c1

Aliases

arxiv: 1105.6345 · arxiv_version: 1105.6345v1 · doi: 10.48550/arxiv.1105.6345 · pith_short_12: YCRRY76M65AU · pith_short_16: YCRRY76M65AU4K2E · pith_short_8: YCRRY76M

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/YCRRY76M65AU4K2EKBV6H4UD4U \
  | 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: c0a31c7fccf7414e2b44506be3f283e51d6a6b6ba6bcaa607128d17cabe906c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a635eb29ed072b0c162e21332ad0df175ff3344b01328d4c4a94d43dccb185c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-31T17:24:02Z",
    "title_canon_sha256": "fe11475291261017b45de8acd9334fe27b6d0051459f90bf5380dcfc841cb64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6345",
    "kind": "arxiv",
    "version": 1
  }
}