Pith Number

pith:3D55CH5D

pith:2018:3D55CH5D4VMUVNWPWHXX7ESCX5

not attested not anchored not stored refs pending

Hyperfine spectroscopy of hydrogen and antihydrogen in ASACUSA

A. Gligorova, A.M.M. Leite, A. Nanda, B. Kolbinger, C. Amsler, C. Evans, C. Malbrunot, C. Sauerzopf, D.J. Murtagh, D. Phan, E. Widmann, H. Breuker, H. Higaki, H. Spitzer, J. Zmeskal, L. Venturelli, M.C. Simon, M. Diermaier, M. Fleck, M. Leali, M. Strube, M. Tajima, M. Wiesinger, N. Kuroda, O. Massiczek, P. Dupr\'e, S. Arguedas Cuendis, S. Ulmer, V. M\"ackel, V. Mascagna, Y. Kanai, Y. Matsuda, Y. Nagata, Y. Yamazaki

arxiv:1809.00875 v2 · 2018-09-04 · physics.atom-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{3D55CH5D4VMUVNWPWHXX7ESCX5}

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	2026-05-17T23:55:19.904943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8fbd11fa3e5594ab6cfb1ef7f9242bf7a9b9a291c098a80d8cbb531bafab292

Aliases

arxiv: 1809.00875 · arxiv_version: 1809.00875v2 · doi: 10.48550/arxiv.1809.00875 · pith_short_12: 3D55CH5D4VMU · pith_short_16: 3D55CH5D4VMUVNWP · pith_short_8: 3D55CH5D

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/3D55CH5D4VMUVNWPWHXX7ESCX5 \
  | 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: d8fbd11fa3e5594ab6cfb1ef7f9242bf7a9b9a291c098a80d8cbb531bafab292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9de369adeee4a1a1c09eed8533aedcd811688e865236fc934ea649aa2bd8b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-09-04T10:20:08Z",
    "title_canon_sha256": "b354ba0848bd4d4f498d896cd3ec6c20adb4c1720fb2af942d4b73c8ef3a054b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00875",
    "kind": "arxiv",
    "version": 2
  }
}