Pith Number

pith:TFP4VNWH

pith:2016:TFP4VNWHDW5IVFRCRQ6YJBYZEA

not attested not anchored not stored refs pending

Probing QED and fundamental constants through laser spectroscopy of vibrational transitions in HD+

J. Biesheuvel, J. C. J. Koelemeij, J.-Ph. Karr, K. S. E. Eikema, L. Hilico, W. Ubachs

arxiv:1602.01048 v1 · 2016-02-02 · physics.atom-ph · physics.chem-ph · physics.plasm-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{TFP4VNWHDW5IVFRCRQ6YJBYZEA}

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	2026-05-18T01:21:23.872890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995fcab6c71dba8a96228c3d8487192017f4ae7e97db37a4062f11c26a26f032

Aliases

arxiv: 1602.01048 · arxiv_version: 1602.01048v1 · doi: 10.48550/arxiv.1602.01048 · pith_short_12: TFP4VNWHDW5I · pith_short_16: TFP4VNWHDW5IVFRC · pith_short_8: TFP4VNWH

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/TFP4VNWHDW5IVFRCRQ6YJBYZEA \
  | 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: 995fcab6c71dba8a96228c3d8487192017f4ae7e97db37a4062f11c26a26f032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf292b18e0490d93eab04eccb9edbf272bc836139249f64d61f67ba954c320a",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.plasm-ph",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-02-02T19:08:36Z",
    "title_canon_sha256": "5022eb254b26f7d286a4ce1f8723e519e151240210c864ceb766be0112392601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01048",
    "kind": "arxiv",
    "version": 1
  }
}