Pith Number

pith:6BZ4CL4F

pith:2015:6BZ4CL4FB2VRLD2NTAIANVRC2Q

not attested not anchored not stored refs pending

Attosecond Quantum-Beat Spectroscopy in Helium

Arvinder Sandhu, Henry Timmers, Niranjan Shivaram, Xiao-Min Tong

arxiv:1509.00871 v1 · 2015-09-02 · physics.atom-ph · 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{6BZ4CL4FB2VRLD2NTAIANVRC2Q}

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	2026-05-18T01:34:04.920775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f073c12f850eab158f4d981006d622d431d6be23859ddd84da0f87594738d7d7

Aliases

arxiv: 1509.00871 · arxiv_version: 1509.00871v1 · doi: 10.48550/arxiv.1509.00871 · pith_short_12: 6BZ4CL4FB2VR · pith_short_16: 6BZ4CL4FB2VRLD2N · pith_short_8: 6BZ4CL4F

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/6BZ4CL4FB2VRLD2NTAIANVRC2Q \
  | 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: f073c12f850eab158f4d981006d622d431d6be23859ddd84da0f87594738d7d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43bbaf88cd0c33a120170d0ee626223de54e7d5d86dc6a246bbae92e81421655",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-09-02T20:47:04Z",
    "title_canon_sha256": "339bf9647c492cfd801b9689d5855a4dca53b10f529bb5791c89df60d2997bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00871",
    "kind": "arxiv",
    "version": 1
  }
}