Pith Number

pith:ZCBRKAYN

pith:2012:ZCBRKAYN66LUVXR27FPUBA6WAY

not attested not anchored not stored refs pending

Can spacetime curvature induced corrections to Lamb shift be observable?

Hongwei Yu, Wenting Zhou

arxiv:1204.2015 v2 · 2012-04-10 · gr-qc · astro-ph.HE · 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{ZCBRKAYN66LUVXR27FPUBA6WAY}

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	2026-05-18T03:41:44.018542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88315030df7974ade3af95f4083d6060874bc9ca551759b9f1957e5d4dcd22c

Aliases

arxiv: 1204.2015 · arxiv_version: 1204.2015v2 · doi: 10.48550/arxiv.1204.2015 · pith_short_12: ZCBRKAYN66LU · pith_short_16: ZCBRKAYN66LUVXR2 · pith_short_8: ZCBRKAYN

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/ZCBRKAYN66LUVXR27FPUBA6WAY \
  | 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: c88315030df7974ade3af95f4083d6060874bc9ca551759b9f1957e5d4dcd22c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133ed5430d253f65008d7309124cd8e018ed19d3673492849c373842aa53bba4",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-10T00:24:58Z",
    "title_canon_sha256": "ef98e4f94b7c3fdde3ed33a067d4255bdef268993349234d8ce0ffb2d4487666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2015",
    "kind": "arxiv",
    "version": 2
  }
}